Circular No. 22/2014/TT-BTTTT dated December 22, 2014, telecommunications number storages

• Official number: 22/2014/TT-BTTTT
• Legislation Type: Circular
• Organization: The Ministry Of Information And Transmitation
• Signer: Nguyen Bac Son
• Issued Date: 22/12/2014

THE MINISTRY OF INFORMATION AND COMMUNICATIONS --------	THE SOCIALIST REPUBLIC OF VIETNAM Independence – Freedom – Happiness -----------------------
No.: 22/2014/TT-BTTTT	Ha Noi, 22 December 2014

CIRCULAR

TELECOMMUNICATIONS NUMBER STORAGES

Pursuant to Telecommunications Law dated 23 November 2009;

Pursuant governmental Decree No. 25/201/NĐ-CP dated 6 April 2011 detailing and giving guidance on the implementation of a number of articles defined in the Telecommunications Law;

Pursuant governmental Decree No. 132/2013/NĐ-CP dated 16 October 2013 regulating the functions, tasks, entitlements and organizational structure of the Ministry of Information and Communications;

As proposed by the Director of Vietnam Telecommunications Authority,

The Minister of Information and Communications hereby issues this Circular promulgating the Planning for telecommunications number storages.

Article 1. Attached with this Circular are the Planning for telecommunications number storages and the following tables: National destination code Table (attached Appendix 1); Subscriber number planning Table (attached Table 2); Service number, code planning Table (attached Appendix 3); Technical routing code planning Table (attached Appendix 4).

...

...

...

Decision No. 52/2006/QĐ-BBCVT dated 15 December 2006 issued by the Minister of Vietnam Telecommunication Authority promulgating the Planning for national telephone numbering and Decision No. 53/2006/QĐ-BBCVT dated 15 December 2006 issued by the said Minister regarding the allocation and use of telecommunication numbers, codes shall be superseded by this Circular since its validity date.

Article 3. Chief of Office, Directors General of Telecommunications, Heads of agencies, units under the Ministry of Information and Communications, directors of the Departments of Information and Communications of provinces, cities under Central management and related organizations, individuals shall implement this Circular./.

MINISTER




Nguyen Bac Son

PLANNING

TELECOMMUNICATIONS NUMBER STORAGES
(Attached with Circular No. 22/2014/TT-BTTTT dated 22 December 2014 issued by the Minister of Information and Communications)

Chapter I

...

...

...

Article 1. Governing scope

1. The planning for national telecommunications number storages is applied for numbering the following telecommunications networks:

a) Public telecommunications networks: Terrestrial fixed networks; satellite fixed networks; terrestrial mobile networks.

b) Dedicated telecommunication networks: for Communist Party, State agencies; for Ministry of Public Security; for Ministry of National Defense and other dedicated telecommunication networks.

2. Terminal devices of satellite mobile networks shall conform to the numbering plans of the companies operating satellite mobile communication systems.

Article 2. Regulated subjects

All organizations, individuals that manage, allocate, operate and use the codes, numbers of the telecommunications number storages shall adhere to the regulations of this Planning.

Article 3. Definition of terminology

The terms herein and hereunder are interpreted as follows:

...

...

...

2. Destination network means the telecommunications network to which the calls are connected when being dialed.

3. National destination code means a typical digit or a group of typical digits planned synchronously nation-wide to identify a numbered zone or destination network to which a call is connected. When dialing a numbered zone, the national destination code is called the Area Code (AC) – subject to geographical codes. When dialing a destination network, the national destination code is called the Network Code (NC) – not subject to geographical codes.

4. A subscriber number means a group of digits dialed (directly or following the national destination code) to connect to another subscriber number and planned synchronously (within the numbered zone or the entire network).

5. Servicing number means a group of digits dialed by a subscriber of a telecommunications network to reach a service provided on such network.

6. Shared number means the number shared between agencies, organizations, companies in differently numbered zones for providing one same service.

7. Servicing code means a group of digits dialed by a telecommunications subscriber from the network of such subscriber to a service I another network.

8. Telecommunications service provider code means a group of digits used to access a local or international long-distance fixed telecommunication service of a specific telecommunication company.

9. Technical routing code means a group of digits dialed by a telecommunication company to route calls, news or identify a network, network elements including mobile network code (MNC), Data Network Identification Code (DNIC); International Signaling Point Code (ISPC); National Signaling Point Code (NSPC) and other technical routing codes as regulated by the Ministry of Information and Communications.

10. Inter-zone service means a telecommunications service, applied telecommunications service provided in the terrestrial fixed network, accessible by the service users within a numbered zone to use the service with the same code and/or number shared. Code, number used in the above case is called the inter-zone servicing code, number.

...

...

...

12. Obligatory service means the telecommunications service compulsorily provided by a telecommunications company to its service user as regulated by law, including emergency telecommunication services (police, fire fighting, medical emergency, search and rescue); compulsory customer support services (local, international call registration services through operators; support service to search for landline numbers; support service for problematic landline numbers; support service for mobile phone subscribers) and other compulsory services as regulated by the Ministry of Information and Communications.

13. Collect call service means a telecommunication service whereby an overseas service provider shall pay the call charge to the local telecommunication service provider in Vietnam for an international call made by a service user from Vietnam.

14. Toll free service means a telephone service on the terrestrial fixed network used by an agency, organization, company to provide information-related service and the charge of the call made by the service user shall be paid by such agency, organization, company to the related telecommunication company.

15. Premium service means a telephone service on the terrestrial fixed network used by an agency, organization, company to provide an information-related service and the service user is requested to pay an additional amount for receiving such typical high-valued information in addition to the call cost at the regulated telecommunication charge rates.

16. Enquiry service means a telephone service on the terrestrial fixed network used by an agency, organization, company to provide a network-based information-related service to give guidance, present, respond, consult the enquiries from the service users on general, common issues related to culture, economics, society, etc.

17. Short text message service (hereafter referred to as “short message service”) means the text message service on mobile communication network used by an agency, organization, company to provide an applied communication service.

18. Testing service means a service in terrestrial fixed network used to notify, check, evaluate quality of equipment or connection lines, including: alarming, ringing self-testing and other testing services.

19. Provisional codes, numbers mean the telecommunication codes, numbers to be used as particular codes, numbers in the future based on the demand of the servicing market from time to time, the length and structure of which shall conform to related regulations issued by the Ministry of Information and Communications.

Chapter II

...

...

...

Article 4. International numbers

1. An international number (IN) is a digit or group of digits dialed after an international prefix (IP) to connect to a service subscriber abroad. An international number includes a Country Code (CC) and National Significant Number (NSN).

International number = Country code + National significant number

2. Maximum length of an international number conforming to ITU-T E.164 recommendation made by the International Telecommunication Union (ITU) is 15 digits.

Article 5. International prefixes

An international prefix (IN) is a digit or group of digits dialed by a calling subscriber, then followed by an international number to place an international call to a called subscriber abroad. In Vietnam, the international prefix is regulated to be 00.

Article 6. National codes

A national code is a digit or a group of digits dialed following an international prefix, typical for recognizing the country or territory to which the call is routed. As designated by ITU, the country code of Vietnam is 84.

Article 7. National significant numbers

...

...

...

National significant number = Country destination code + Subscriber number

National prefix

National destination code

Subscriber number

National significant number

2. Maximum length of a national significant number shall conform to ITU-T E.164 recommendation made by ITU as follows:

Maximum length of a national significant number = 15 – Length of national code

Article 8. National prefixes

...

...

...

Chapter III

NATIONAL NUMBER PLANNING

Article 9. National destination codes

1. Area codes are planned under the following principles:

An area code is 2 or 3 digits long and structured as 2A (B), of which: A, B are any digits from 0 to 9;

Every numbered zone is fixed with an area code.

2. Network codes are planned as follows:

a) A network code is 2 digits long and structured as 1A, 3A, 4A, 5A, 6A, 7A, 8A, 9A; of which: A is any digit from 0 to 9;

b) Every destination network is fixed with one or more network codes (multi-code).

...

...

...

1. Subscriber numbers of a terrestrial fixed network are planned under the following principles:

a) 7, 8 digits long depending on the specific numbered zone;

b) Starting with 2, 3, 4, 5, 6, 7, 8, 9 followed by any digits starting from 0 to 9.

2. Subscriber numbers of a satellite fixed network are planned under the following principles:

a) 7 digits long;

b) Starting with 2, 3, 4, 5, 6, 7, 8, 9 followed by any digits starting from 0 to 9.

3. Subscriber numbers of a terrestrial mobile network used for human subscribers are planned under the following principles:

a) 7 digits long;

b) Starting with 1, 2, 3, 4, 5, 6, 7, 8, 9 followed by any digits starting from 0 to 9.

...

...

...

a) 8 digits long;

b) Starting with 1, 2, 3, 4, 5, 6, 7, 8, 9 followed by any digits starting from 0 to 9.

5. Internet telephone subscriber numbers are planned under the following principles:

a) 10 digits long including the code of the internet telephone network;

b) Structured as 65ABCDEFGH; of which: A indicates a telecommunications service provider, numbered from 1 to 9; B, C, D, E, F, G, H are any digits from 0 to 9;

c) In front of an internet telephone subscriber number, neither telecommunications service provider code nor area code is preceded.

6. Subscriber numbers of a dedicated telecommunication network are planned under the following principles:

a) With regard to the dedicated telecommunication network of a Communist Party, State agency; Ministry of National Defense; Ministry of Public Security, a subscriber number is 5, 6 or 7 digits long depending on the scale of the network and operation time.

With regard to other dedicated telecommunication networks, a subscriber number’s length depends on the scale of the network and operation time but is not longer than 7 digits.

...

...

...

7. Number of subscribers of a terrestrial fixed network shall be increased by lengthening the subscriber numbers (adding one or some digits to the beginning or end of an existing subscriber number) applicable to all numbered zones with similar length of subscriber numbers.

Number of subscribers of a terrestrial fixed network shall be decreased by shortening the subscriber numbers (deleting one or some digits at the beginning or end of an existing subscriber number) applicable to all numbered zones with similar length of subscriber numbers.

8. Number of subscribers of a terrestrial mobile network or satellite fixed network shall be increased by additional new network codes and the length of existing subscriber numbers remains unchanged. In case additional new network codes are unfeasible, the length of existing subscriber numbers shall be lengthened (adding one or some digits to the beginning or end of existing subscriber numbers) applicable to all terrestrial mobile networks and satellite fixed networks.

Number of subscribers of a terrestrial mobile network or satellite fixed network shall be decreased by revoking the existing network codes and existing subscriber numbers. In case existing network codes are unfeasibly revoked, the length of existing subscriber numbers shall be shortened (deleting one or some digits at the beginning or end of existing subscriber numbers) applicable to all terrestrial mobile networks and satellite fixed networks.

9. Neither 0 nor 1 is used to start a subscriber number of a terrestrial fixed network and satelite fixed network. Neither 2 nor 9 is used to start a service code, number of a terrestrial fixed network.

10. 0 shall not be used to start a subscriber number of a terrestrial mobile network.

Chapter IV

PLANNING ON CODES, SERVICING NUMBERS

Article 11. Servicing codes of a terrestrial fixed network.

...

...

...

a) 3 digits long;

b) Starting with 12A, of which: A is any digit starting from 0 to 1.

2. The codes for data transmission are planned under the following principles:

a) 4 digits long;

b) Structured as 124A, 125A, of which: A is any digit starting from 0 to 9.

3. VoIP service codes are planned under the following principles:

a) 3 digits long;

b) Structured as 126, 127, 128, 129, 13A and 17A, of which: A is any digit starting from 1 to 9.

A VoIP service code is dialed as follows:

...

...

...

VoIP code + (B) + 0 + National significant number

If a subscriber calls another subscriber to register a service overseas, using VoIP of a telecommunication service provider, the dialing shall be as follows:

VoIP code + (B) + 00 + International number

Of which: B (if any) is a digit from 1 to 9 to select the wanted service. In the above case, after dialing B, the service user may dial one and/or more codes (digits) (regulated by the telecommunication service provider) to select an appropriate language, confirm his/her service use right (personal code, account number, etc.) before dialing 0 and the national significant number to place a local call or 00 and an international number to place an international call.

Article 12. Codes of telecommunication service providers

1. The codes of telecommunication service providers are planned under the following principles:

a) 3 digits long;

b) Structured as 16A, of which: A is any digit starting from 1 to 9.

2. The code of a telecommunication service provider is dialed as follows:

...

...

...

If a subscriber calls another subscriber to register a local service but in a different numbered zone, through a telecommunication service provider, the dialing shall be made as follows:

16A + (B) + 0 + National significant number

If a subscriber calls another subscriber to register a service overseas, through a telecommunication service provider, the dialing shall be made as follows:

16A + (B) + 00 + International number

Of which: B (if any) is a digit from 1 to 9 to select the wanted service. In the above case, after dialing B, the service user may dial one and/or more codes (digits) (regulated by the telecommunication service provider) to select an appropriate language, confirm his/her service use right (personal code, account number, etc.) before dialing 0 and the national significant number to place a local call or 00 and an international number to place an international call.

b) Fixed selection of a telecommunication service provider as previously agreed between the user and such service provider. In such case, local or international long-distance calls, without the code of the telecommunication service provider (the user only dials the national or international prefix), shall be routed to the network of the selected telecommunication service provider, as shown below:

If a subscriber calls another subscriber to register a local service but in a different numbered zone, not through or through a selected telecommunication service provider, the dialing shall be made as follows:

0 + National significant number

If a subscriber calls another subscriber to register a service overseas, through or not through a selected telecommunication service provider, the dialing shall be made as follows:

...

...

...

Article 13. Servicing numbers of a terrestrial fixed network

1. Emergency numbers are planned under the following principles:

a) 3 digits long;

b) Structured as follows: 112 is the number for search, rescue services; 113 for Police service; 114 for Fire fighting service; 115 for Medical emergency service;

c) Emergency numbers are nationally applied.

2. Obligatory customer service numbers are planned under the following principles:

a) 3 digits long;

b) Structured as follows: 101 is the number to register a local long-distance call with an operator; 110 to register an international call with an operator; 116 to search for a subscriber number of a terrestrial fixed network; 119 to report on a problem with a landline number;

c) Obligatory customer service numbers are shared numbers.

...

...

...

a) 6 digits long;

b) Starting with 1001 and structured as 1001AB, of which: A is any digit from 0 to 1, B is any digit from 0 to 9, specifically, 100117 is time-telling number; 100118 the ringing testing number;

c) Testing numbers are shared numbers.

4. Toll free service numbers are planned under the following principles:

a) 10 digits long;

b) Starting with 1800 and structured as 1800ABCDEF; of which: A indicates a telecommunications service provider; A, B, C, D, E, F are any digits from 0 to 9;

c) Toll free service numbers are nationally applied.

5. High-cost service numbers are planned under the following principles:

a) 10 digits long;

...

...

...

c) High-cost service numbers are nationally applied.

6. Enquiry numbers are planned under the following principles:

a) 4 to 5 digits long;

b) Starting with 102, 103, 104, 105, 106, 107, 108, 109, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149 and structured as 102A, 103A, 104A, 105A, 106A, 107A, 108A, 109A, 140AB, 141AB, 142AB, 143AB, 144AB, 145AB, 146AB, 147AB, 148AB, 149AB, of which: A, B are any digits starting from 0 to 9.

c) Enquiry numbers are inter-zone service numbers.

Article 14. Servicing numbers of a terrestrial mobile network

1. Subscriber support numbers of a terrestrial mobile network (hereafter referred to as “mobile subscriber support number”) are planned under the following principles:

a) 3 digits long;

b) Being 118;

...

...

...

2. Short text message service numbers are planned under the following principles:

a) 4 to 5 digits long;

b) Starting with 1, 2, 3, 4, 5, 6, 7, 8, 9 and structured as 1ABC, 2ABCD, 3ABCD, 4ABCD, 5ABC, 6ABC, 7ABC, 8ABC, 9ABC, of which: A, B, C, D, E are any digits starting from 0 to 9.

Article 15. Usage of '*' and '#' symbols

1. Telecommunications companies providing telecommunication services with network infrastructures, after being allocated with subscriber numbers, shall be entitled to use ‘*’ and ‘#’ combined with other digits for their added services (one-touch dialing, call transfer, call waiting, car barring, caller’s number display, telephone bill payment, account checking, service package change, etc.) provided to the users.

2. Usage of ‘*’ and ‘#’ combined with other digits to provide added services shall not be conflictual with the numbering principles defined herein and not breach the Regulations on telecommunications number storage management and use.

Chapter V

PLANNING ON TECHNICAL ROUTING CODES

Article 16. The codes to identify a terrestrial mobile network

...

...

...

2. The code of terrestrial mobile network is 2 digits long and numbered from 01 to 99. This code is used for recognizing the terrestrial mobile network and/or local and international call connections of their subscribers, whereby zone transfer is required.

Article 17. The codes to identify a data network

The code to identify a data network assigned to Vietnam by ITU is 452X (X is the network code, ranging from 0 to 9), conforming to ITU-T X.121 recommendation. This code is used to identify a data network of a country.

Article 18. International signaling point code

1. The Signaling Area Network Code (SANC) assigned to Vietnam by ITU conforms to ITU-T Q.708 recommendation.

2. International signaling point code is based on the signaling area network code under the standard structure of ITU-T Q.708 recommendation. This code is used to recognize a signaling point (SP) of the international signaling network, following signaling system No. 7 (SS7).

Article 19. National signaling point code

The national signaling point code conforming to ITU-T Q.708 recommendation is valued from 1 to 16384 based on the decimal system. This code is used to recognize a signaling point in the national signaling network, following signalizing system No. 7.

Chapter VI

...

...

...

Article 20. Responsibilities of the Authority of Communications

1. Managing, allocating, revoking telecommunication codes, numbers in accordance with the Planning herein and the Regulation on telecommunications number storages management and use.

2. Developing the implementation plan for the telecommunications number storage Planning, based on the said Planning, to submit to the Minister of Information and Communications for approval and organizing the enforcement.

3. Giving instructions, guidance to telecommunication companies on the implementation of the telecommunications number storage Planning and the action plan of the said Planning.

4. Publicizing yearly the allocated telecommunication codes, numbers and their use.

5. Inspecting, checking, handling administrative offences related to the management, allocation, provision, revocation, returning of telecommunication codes, numbers in accordance with the telecommunications number storage Planning and the Regulation on the management and use of telecommunications number storages.

Article 21. Responsibilities of the Department of Information and Communications

Inspecting, checking, handling administrative offences against and reporting, as requested by the Ministry of Information and Communications, the provision, change, revocation, use of telecommunication codes, numbers of telecommunication companies and organizations and/or individuals in their area in accordance with the telecommunications number storage Planning and the Regulation on the management and use of telecommunications number storages.

Article 22. Responsibilities of telecommunication companies

...

...

...

2. Developing the implementation plan for the telecommunications number storage Planning approved by the Minister of Information and Communications.

3. Issuing, exchanging, revoking, returning the allocated telecommunication codes, numbers in accordance with the telecommunications number storage Planning and the Regulation on the management and use of telecommunications number storages.

4. Managing, operating, using telecommunication codes, numbers timely, economically and efficiently.

Article 23. Responsibilities of organizations, individuals allocated or provided with telecommunication service numbers, subscriber numbers

1. Operating, using the allocated telecommunication service and/or subscriber numbers for proper purposes, economically and efficiently.

2. Returning unused telecommunication service and/or subscriber numbers to the authorities in charge of telecommunications number storages or the telecommunication companies from where the numbers are allocated or provided.

Article 24. Implementation

During the implementation, in case of any entanglements, related organizations and/or individuals are requested to report timely to the Ministry of Information and Communications for consideration, guidance and resolution./.

...

...

...

(attached with Circular No. 22/2014/TT-BTTTT dated 22 December 2014 issued by the Minister of Information and Communications)

Appendix 1: National destination code planning table

Appendix 2: Subscriber number planning table

Appendix 3: Service code, number planning table

Appendix 4: Technical routing code planning table

APPENDIX 1

NATIONAL DESTINATION CODE PLANNING TABLE

Code

...

...

...

Code length

Note

1

Codes of terrestrial mobile network (M2M)

10 - 19

Codes of terrestrial mobile network, from machine to machine (M2M)

2 digits long

...

...

...

2

Area code (AC)

200

201

202

203

204

...

...

...

206

207

208

209

Provisional

Provisional

Provisional

Quang Ninh

Bac Giang

...

...

...

Cao Bang

Tuyen Quang

Thai Nguyen

Bac Can

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

...

...

...

3 digits long

3 digits long

3 digits long

3 digits long

New AC

New AC

New AC

Changed from existing AC of 33 to 203

Changed from existing AC of 240 to 204

...

...

...

Changed from existing AC of 26 to 206

Changed from existing AC of 27 to 207

Changed from existing AC of 280 to 208

Changed from existing AC of 281 to 209

210

211

212

213

Phu Tho

...

...

...

Son La

Lai Chau

3 digits long

3 digits long

3 digits long

3 digits long

Unchanged

Unchanged

Changed from existing AC of 22 to 212

...

...

...

214

215

216

217

218

219

Lao Cai

Dien Bien

Yen Bai

...

...

...

Hoa Binh

Bac Giang

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

Changed from existing AC of 20 to 214

...

...

...

Changed from existing AC of 29 to 216

New AC

Unchanged

Unchanged

220

221

222

223

224

...

...

...

226

227

228

229

Hai Duong

Hung Yen

Bac Ninh

Provisional

Provisional

...

...

...

Ha Nam

Thai Binh

Nam Dinh

Ninh Binh

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

...

...

...

3 digits long

3 digits long

3 digits long

3 digits long

Changed from existing AC of 320 to 220

Changed from existing AC of 321 to 221

Changed from existing AC of 241 to 222

New AC

New AC

...

...

...

Changed from existing AC of 351 to 226

Changed from existing AC of 36 to 227

Changed from existing AC of 350 to 228

Changed from existing AC of 30 to 229

230

231

232

233

234

...

...

...

Provisional

Quang Binh

Quang Tri

Thua Thien - Hue

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

...

...

...

New AC

Changed from existing AC of 52 to 232

Changed from existing AC of 53 to 233

Changed from existing AC of 54 to 234

235

236

237

238

239

...

...

...

Da Nang

Thanh Hoa

Nghe An

Ha Tinh

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

...

...

...

Changed from existing AC of 511 to 236

Changed from existing AC of 37 to 237

Changed from existing AC of 38 to 238

Changed from existing AC of 39 to 239

24

Ha Noi

2 digits long

Changed from existing AC of 4 to 24

250

...

...

...

252

253

254

255

256

257

258

259

Provisional

...

...

...

Binh Thuan

Provisional

Ba Ria – Vung Tau

Quang Ngai

Binh Dinh

Phu Yen

Khanh Hoa

Ninh Thuan

3 digits long

...

...

...

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

New AC

...

...

...

Changed from existing AC of 62 to 252

New AC

Changed from existing AC of 64 to 254

Changed from existing AC of 55 to 255

Changed from existing AC of 56 to 256

Changed from existing AC of 57 to 257

Changed from existing AC of 58 to 258

Changed from existing AC of 68 to 259

260

...

...

...

262

263

Kon Tum

Dak Nong

Dak Lak

Lam Dong

3 digits long

3 digits long

3 digits long

...

...

...

Changed from existing AC of 60 to 260

Changed from existing AC of 501 to 261

Changed from existing AC of 500 to 262

Changed from existing AC of 63 to 263

264

265

266

267

268

...

...

...

Provisional

Provisional

Provisional

Provisional

Provisional

Gia Lai

3 digits long

3 digits long

3 digits long

...

...

...

3 digits long

3 digits long

New AC

New AC

New AC

New AC

New AC

Changed from existing AC of 59 to 269

270

...

...

...

272

273

274

275

276

277

278

279

Vinh Long

...

...

...

Long An

Tien Giang

Binh Duong

Ben Tre

Tay Ninh

Dong Thap

Provisional

Provisional

3 digits long

...

...

...

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

Changed from existing AC of 70 to 270

...

...

...

Changed from existing AC of 72 to 272

Changed from existing AC of 73 to 273

Changed from existing AC of 650 to 274

Changed from existing AC of 75 to 275

Changed from existing AC of 66 to 276

Changed from existing AC of 67 to 277

New AC

New AC

28

...

...

...

2 digits long

Changed from existing AC of 8 to 28

290

291

292

Ca Mau

Bac Lieu

Can Tho

3 digits long

...

...

...

3 digits long

Changed from existing AC of 780 to 290

Changed from existing AC of 781 to 291

Changed from existing AC of 710 to 292

293

294

295

296

297

...

...

...

299

Hau Giang

Tra Vinh

Provisional

Bac Giang

Kien Giang

Provisional

Soc Trang

3 digits long

...

...

...

3 digits long

3 digits long

3 digits long

3 digits long

3 digits long

Changed from existing AC of 711 to 293

Changed from existing AC of 74 to 294

New AC

Changed from existing AC of 76 to 296

...

...

...

New AC

Changed from existing AC of 79 to 299

3 - 5

Codes of terrestrial mobile network (H2H)

30 – 59

Codes of terrestrial mobile network, from human to human (H2H)

2 digits long

...

...

...

6

Codes of satellite fixed network, dedicated use, Internet

60 – 64

Provisional

2 digits long

65

...

...

...

2 digits long

66

Codes of dedicated networks of Communist Party, State agencies

2 digits long

Changed from existing AC of 80 to 66

67

Codes of terrestrial fixed network

2 digits long

...

...

...

68

Provisional

2 digits long

69

Codes of dedicated networks of Ministry of National Defense, Ministry of Public Security

2 digits long

7 - 9

...

...

...

70 – 99

Codes of terrestrial mobile network, from human to human (H2H)

2 digits long

APPENDIX 2

SUBSCRIBER NUMBER PLANNING TABLE

...

...

...

Use purpose

Number length

Note

1000000 - 9999999

Subscriber number of terrestrial mobile network, used for human subscribers

7 digits long

Following terrestrial mobile network code

10000000 - 99999999

Subscriber number of terrestrial mobile network, used for machine subscribers

...

...

...

Following terrestrial mobile network code

2000000(0) - 9999999(9)

Subscriber number of terrestrial fixed network

7 to 8 digits long

Following area code

2000000 - 9999999

Subscriber number of satellite fixed network

7 digits long

...

...

...

20000(0)(0) - 99999(9)(9)

20000(0)(0) - 49999(9)(9)

500000(0) - 999999(9)

Subscriber number of a dedicated network of a Communist Party, State agency

Subscriber number of a dedicated network of Ministry of Public Security

Subscriber number of a dedicated network of Ministry of National Defense

5 to 7 digits long

5 to 7 digits long

6 to 7 digits long

...

...

...

Following 69

Following 69

10000000 - 99999999

Suscriber number of internet telephone network

8 digits long

Following 65

APPENDIX 3

PLANNING ON SERVICE CODES, NUMBERS

...

...

...

Code, number

Use purpose

Code, number length

Note

10000 - 10009

Provisional

100100 – 100116

...

...

...

100118

100119

Provisional for testing services

Time-telling number

Ringing testing number

Provisional for testing services

6 digits long

6 digits long

6 digits long

...

...

...

Shared numbers,
testing services

Shared numbers,
testing services

Shared numbers,
testing services

Shared numbers,
testing services

10012-10099

Provisional

101

...

...

...

3 digits long

Shared numbers, obligatory services

1020 – 1099

Enquiry numbers

4 digits long

Inter-zone services

110

International call registration number through operator

3 digits long

...

...

...

111

Provisional

112

113

114

115

Search, rescue number

...

...

...

Fire fighting number

Medical emergency number

3 digits long

3 digits long

3 digits long

3 digits long

Shared numbers,
nation-wide services, emergency services

Shared numbers,
nation-wide services, emergency services

Shared numbers,
nation-wide services, emergency services

...

...

...

116

Support service number to search for a landline number

3 digits long

Shared numbers, obligatory services

117 - 118

Provisional

119

...

...

...

3 digits long

Shared numbers, obligatory services

120 – 121

Code of collect call service

3 digits long

122 - 123

Provisional

...

...

...

1240-1259

Data transmission service code

4 digits long

126 - 129

VoIP code

3 digits long

130

...

...

...

131 – 139

VoIP code

3 digits long

14000 - 14999

Enquiry numbers

5 digits long

...

...

...

150 -159

Provisional

160

Provisional

161 – 169

...

...

...

3 digits long

170

Provisional

171 – 179

VoIP code

3 digits long

...

...

...

1800000000 - 1800999999

Toll free number

10 digits long

Nation-wide services

1801-1809

Provisional

181-189

...

...

...

1900000000 - 1900999999

High-cost service numbers

10 digits long

Nation-wide services

1901 - 1909

Provisional

...

...

...

191 - 199

Provisional

2. Terrestrial mobile networks

2.1. Short text messages

No.

Use purpose

Number length

...

...

...

1000 - 1399

Short message number

4 digits long

1400 – 1409

Short message number through national humanity portal

4 digits long

1410 – 1999

...

...

...

4 digits long

20000 - 49999

Short message number

5 digits long

5000 – 9999

Short message number

4 digits long

...

...

...

2.2. Voiced numbers

Code, number

Use purpose

Code, number length

Note

100 - 111

Provisional

...

...

...

Search, rescue number

3 digits long

Shared numbers, nation-wide services, emergency services

113

Police number

3 digits long

Shared numbers, nation-wide services, emergency services

114

Fire fighting number

...

...

...

Shared numbers, nation-wide services, emergency services

115

Medical emergency number

3 digits long

Shared numbers, nation-wide services, emergency services

116 - 117

Provisional

...

...

...

Mobile subscriber support number

3 digits long

Shared numbers, obligatory services

119 - 199

Provisional

APPENDIX 4

...

...

...

Code

Use purpose

Code length

Note

452

National codes

3 digits long

01-99

...

...

...

2 digits long

4520-4529

Codes to identify a data network

4 digits long

4-103-X

4-104-X

4-205-X

...

...

...

X=0-7

X=0-7

X=0-7

00001-16384

National signaling point code