Skip to content
OB

ITU Operational Bulletin

ITU Operational Bulletin·Biweekly publication of the ITU

Issue

No. 1313

Published1.IV.2025Cutoff15.III.2025ISSN1564-5223
←13121314→

Forward schedule

Dates of publication of the next Operational Bulletins

25 upcoming
No.Publication dateIncluding information received by
No. 131415.IV.202531.III.2025
No. 13151.V.202514.IV.2025
No. 131615.V.20256.V.2025
No. 13171.VI.202515.V.2025
No. 131815.VI.20253.VI.2025
No. 13191.VII.202518.VI.2025
No. 132015.VII.20253.VII.2025
No. 13211.VIII.202522.VII.2025
No. 132215.VIII.20251.VIII.2025
No. 13231.IX.202520.VIII.2025
No. 132415.IX.20255.IX.2025
No. 13251.X.202518.IX.2025
No. 132615.X.20252.X.2025
No. 13271.XI.202523.X.2025
No. 132815.XI.202531.X.2025
No. 13291.XII.202514.XI.2025
No. 133015.XII.202530.XI.2025
No. 13311.I.20268.XII.2025
No. 133215.I.202617.XII.2025
No. 13331.II.202616.I.2026
No. 133415.II.202630.I.2026
No. 13351.III.202613.II.2026
No. 133615.III.202627.II.2026
No. 13371.IV.202613.III.2026
No. 133815.IV.202627.III.2026

General Information

5 sections

General information

01

Lists annexed to the ITU Operational Bulletin

A. The following Lists have been published by TSB or BR as Annexes to the ITU Operational Bulletin:

OB No.List
1117List of mobile country or geographical area codes((according to ITU-T E.212 (2016-09)))(position on 1.II.2017)
1096Legal time 2016
1073Legal time 2015
1049Legal time 2014
1027Legal time 2013
1002List of Country or Geographical Area Codes for non standard facilities in telematic services((according to ITU-T T.35 (2000-02)))(position on 12.IV.2012)
1001List of the national authorities designated to assign ITU-T Recommendation T.35 terminal provider codes((according to ITU-T T.35 (2000-02)))(position on 15.IV.2012)
1000Service Restrictions (Recapitulatory list of service restrictions in force relating to telecommunications operation)(position on 15.III.2012)
999Legal time 2012
994Dialling Procedures (International prefix, national (trunk) prefix and national (significant) number)((according to ITU-T E.164 (2010-11)))(position on 15.XII.2011)
991Call-Back and alternative calling procedures(position on 1.XI.2011)
982List of Recommendation ITU-T E.164 Assigned Country Codes((according to ITU-T E.164 (2010-11)))(position on 15.XII.2016)
981List of ITU Carrier Codes((according to ITU-T M.1400 (2013-03)))(position on 15.IX.2014)
980List of Telegram Destination Indicators((according to ITU-T F.32 (1995-10)))(position on 15.V.2011)
978List of Telex Destination Codes (TDC) and Telex Network Identification Codes (TNIC)(position on 15.IV.2011)
977List of Data Network Identification Codes (DNIC)((according to ITU-T X.121 (2000/10)))(position on 1.I.2011)
976List of Data Country or Geographical Area Codes((according to ITU-T X.121 (2000/10)))(position on 15.III.2011)
974List of Names of Administration Management Domains (ADMD)((according to ITU-T F.400))(position on 15.II.2011)
972List of terrestrial trunk radio mobile country codes((according to ITU-T E.218 (2004-5)))(position on 1.VI.2017)
971List of Issuer Identifier Numbers for the International Telecommunication Charge Card((according to ITU-T E.118 (2006-05)))(position on 31.XII.2023)
968Status of Radiocommunications between Amateur Stations of different Countries (in accordance with optional provision No. 25.1 of the Radio Regulations) and Form of Call Signs assigned by each Administration to its Amateur and Experimental Stations(position on 31.VIII.2022)
967List of Access codes/numbers for mobile networks((according to ITU-T E.164 (2010-11)))(position on 1.XI.2012)
965List of Signalling Area/Network Codes (SANC)((according to ITU-T Q.708 (1999-03)))(position on 31.V.2024)
958Mobile Network Codes (MNC) for the international identification plan for public networks and subscriptions((according to ITU-T E.212 (2016-09)))(position on 14.XI.2023)
956List of International Signalling Point Codes (ISPC)((according to ITU-T Q.708 (1999-03)))(position on 30.VI.2024)
955Various tones used in national networks((according to ITU-T E.180 (1998-3)))(position on 1.V.2010)
669Five-letter Code Groups for the use of the International Public Telegram Service((according to ITU-T F.1 (1998-3)))

B. The following Lists are available online from the ITU-T website:

02

Approval of ITU-T Recommendations

By AAP-09, it was announced that the following ITU-T Recommendations were approved, in accordance with the procedures outlined in Recommendation ITU-T A.8:

03

Service Restrictions

Authoritative resource

Country / Geographical AreaOB No.PageNote
Seychelles100613
Slovakia100712
Malaysia10135
Thailand10345
São Tomé and Principe103914
Uruguay103914
Hong Kong, China10684
Ukraine11485
Türkiye128617
Bangladesh128716
04

Call-back and alternative calling procedures (Res. 21 Rev. PP-2006)

05

Telephone Service

In accordance with ITU-T Recommendation E.164

Authoritative resource

Liberia +231

Liberia Telecommunications Authority (LTA)
Menetamba Road
Cooper’s Beach Community
1001 PAYNESVILLE
Liberia
Email:	info@lta.gov.lr
URL:	www.lta.gov.lr
Communication of 6.III.2025

The Liberia Telecommunications Authority (LTA), Paynesville, announces updates to the national numbering plan for Liberia.

Liberia uses a closed number scheme.

New numbering blocks:

NDC (National Destination Code) or leading digits or N(S)N (National (Significant) Number)

N(S)N number length

Usage of
ITU-T E.164 Number

Additional information
(Operator)

Maximum length

Minimum length

76Y (NDC)

Y = (0 & 1)

(760 XXXXXX)

(761 XXXXXX)

9

9

Non-geographic number for Mobile telephone service

Orange Liberia, Incorporated

Lithuania +370

Mr Darijus Mickus
Communications Regulatory Authority
Senior Adviser Electronic Communications Resource Management Group
Mortos Str. 14, LT-03219 VILNIUS
Lithuania
Tel:	+370 800 200 30
Fax:	+370 5 216 1564
E-mail:	rrt@rrt.lt; darijus.mickus@rrt.lt
URL:	www.rrt.lt
Communication of 6.III.2025

The Communications Regulatory Authority, Vilnius, announces the following telephone numbering plan for Lithuania adopted on 01.09.2023.

Presentation of national ITU-T E.164 numbering plan for country code + 370

Overview:

The minimum number length (excluding the country code), 3 digits.

The maximum number length (excluding the country code), 12 digits.

The National Telephone Numbering Plan shall regulate the purpose and structure of telephone communication numbers, used in the public communication networks.

Link to the national numbering plan with assigned ITU-T E.164 numbers:
https://www.rrt.lt/telefono-rysys-internetas-tv/telefono-rysio-numeriai/numeriu-skyrimas/

The purpose and types of telephone communication numbers:

No.

Number series

Minimum length

Maximum length

Number purpose

Number type

1.

0

1

1

National prefix

 

2.

00

1

1

International prefix

 

3.

1XX(XXX)

3

6

Short numbers

Non-geographical

4.

2XXXXXXXXXXX

12

12

Numbers for machine-to-machine M2M

Non-geographical

5.

3XXXXXXX

8

8

Public fixed telephone communication service numbers

Geographical

6.

4XXXXXXX

8

8

Public fixed telephone communication service numbers

Geographical

7.

5XXXXXXX

8

8

Public fixed telephone communication service numbers

Geographical

8.

6XXXXXXX

8

8

Public mobile telephone communication service numbers

Non-geographical

9.

7XXXXXXX

8

8

Service numbers (personal numbers and the like)

Non-geographical

10.

8XXXXXXX

8

8

Service numbers (free-of-charge calls and the like)

Non-geographical

11.

9XXXXXXX

8

8

Service numbers (value added tariff and the like)

Non-geographical


 

Short numbers:

No.

Number

Usage of short number

1.

10XX

Public telephone communication service provider selection code

2.

11X(XXX)

Special services

3.

110

Reserved

4.

111

Line of humanitarian, social or other related assistance provided by non-profit legal entities (Lithuanian Red Cross)

5.

112

Single emergency response number

6.

113

An on-call medical helpline for consultations when there is no need for an ambulance to arrive at the scene

7.

114

Reserved

8.

115

Reserved

9.

116XXX

Harmonized social service numbers:

10.

116000

Hotlines for missing children

11.

116001 –116005

Reserved

12.

116006

Helpline for victims of crime

13.

116007 –116015

Reserved

14.

116016

EU helpline number for victims of violence against women

15.

116017-116110

Reserved

16.

116111

Child helplines

17.

116112 – 116116

Reserved

18.

116117

Non-emergency medical on-call service

19.

116118 – 116122

Reserved

20.

116123

Emotional support helplines

21.

116124 – 116999

Reserved

22.

117

The number for the activities of the customer care services unit of the provider of public communication network and/or services

23.

118

The number of directory inquiry services on provision of information, including information on all the subscribers of public telephone communication services, listed in the public printed and/or electronic lists of subscribers of the provider of public communication network and/or services

24.

119

The number for registration of faults, occurring in the network of the provider of public communication network and/or services

25.

12X

Reserved

26.

13XX

The numbers for delivery service providers (recommended)

27.

14XX

The numbers for transport service providers (recommended)

28.

15XX

The numbers for information service providers (recommended)

29.

16XX

The numbers for non-telecommunication service providers (recommended)

30.

17X

Reserved

31.

18XX

The numbers for the non-telecommunication service providers for provision of delivery, transport and/or information services

32.

19XXX

The numbers for the non-telecommunication service providers


 

Numbers for machine-to-machine M2M (200000000000–299999999999):

No.

Leading digits of N(S)N
(national (significant) number)

Usage of E.164 number

1.

2XXXXXXXXXXX

Numbers for machine-to-machine M2M

 

Public fixed telephone communication service numbers (3000 0000–5999 9999):

No.

Number

Usage of E.164 number

National destination code

National (significant) number

1.

30X

XX XXX

Reserved

2.

310

XX XXX

Varėna district numbering

3.

311

XX XXX

Reserved

4.

312

XX XXX

Reserved

5.

313

XX XXX

Druskininkai town numbering

6.

314

XX XXX

Reserved

7.

315

XX XXX

Alytus town and district numbering

8.

316

XX XXX

Reserved

9.

317

XX XXX

Reserved

10.

318

XX XXX

Lazdijai district numbering

11.

319

XX XXX

Prienai district and Birštonas town numbering

12.

32X

XX XXX

Reserved

13.

33X

XX XXX

Reserved

14.

340

XX XXX

Ukmergė district numbering

15.

341

XX XXX

Reserved

16.

342

XX XXX

Vilkaviškis district numbering

17.

343

XX XXX

Marijampolė district numbering

18.

344

XX XXX

Reserved

19.

345

XX XXX

Šakiai district numbering

20.

346

XX XXX

Kaišiadorys district numbering

21.

347

XX XXX

Kėdainiai district numbering

22.

348

XX XXX

Reserved

23.

349

XX XXX

Jonava district numbering

24.

35X

XX XXX

Reserved

25.

36X

XX XXX

Reserved

26.

37

XX XX XX

Kaunas city and district numbering

27.

380

XX XXX

Šalčininkai district numbering

28.

381

XX XXX

Anykščiai district numbering

29.

382

XX XXX

Širvintos district numbering

30.

383

XX XXX

Molėtai district numbering

31.

384

XX XXX

Reserved

32.

385

XX XXX

Zarasai district numbering

33.

386

XX XXX

Ignalina district and Visaginas town numbering

34.

387

XX XXX

Švenčionys district numbering

35.

388

XX XXX

Reserved

36.

389

XX XXX

Utena district numbering

37.

39X

XX XXX

Reserved

38.

40X

XX XXX

Reserved

39.

41

XX XX XX

Šiauliai city and district numbering

40.

420

XX XXX

Reserved

41.

421

XX XXX

Pakruojis district numbering

42.

422

XX XXX

Radviliškis district numbering

43.

423

XX XXX

Reserved

44.

424

XX XXX

Reserved

45.

425

XX XXX

Akmenė district numbering

46.

426

XX XXX

Joniškis district numbering

47.

427

XX XXX

Kelmė district numbering

48.

428

XX XXX

Raseiniai district numbering

49.

429

XX XXX

Reserved

50.

43X

XX XXX

Reserved

51.

440

XX XXX

Skuodas district numbering

52.

441

XX XXX

Šilutė district numbering

53.

442

XX XXX

Reserved

54.

443

XX XXX

Mažeikiai district numbering

55.

444

XX XXX

Telšiai district numbering

56.

445

XX XXX

Kretinga district numbering

57.

446

XX XXX

Tauragė district numbering

58.

447

XX XXX

Jurbarkas district numbering

59.

448

XX XXX

Plungė district numbering

60.

449

XX XXX

Šilalė district numbering

61.

450

XX XXX

Biržai district numbering

62.

451

XX XXX

Pasvalys district numbering

63.

452

XX XXX

Reserved

64.

453

XX XXX

Reserved

65.

45

4X XX XX

Panevėžys city and district numbering

66.

45

5X XX XX

Panevėžys city and district numbering

67.

456

XX XXX

Reserved

68.

457

XX XXX

Reserved

69.

458

XX XXX

Rokiškis district numbering

70.

459

XX XXX

Kupiškis district numbering

71.

460

XX XXX

Palanga town numbering

72.

461

XX XXX

Reserved

73.

46

2X XX XX

Klaipėda city and district numbering

74.

46

3X XX XX

Klaipėda city and district numbering

75.

46

4X XX XX

Klaipėda city and district numbering

76.

465

XX XXX

Reserved

77.

466

XX XXX

Reserved

78.

467

XX XXX

Reserved

79.

468

XX XXX

Reserved

80.

469

XX XXX

Neringa town numbering

81.

47X

XX XXX

Reserved

82.

48X

XX XXX

Reserved

83.

49X

XX XXX

Reserved

84.

50X

XX XXX

Reserved

85.

51X

XX XXX

Reserved

86.

5

20X XXXX

Vilnius city and district numbering

87.

5

21X XXXX

Vilnius city and district numbering

88.

5

22X XXXX

Vilnius city and district numbering

89.

5

23X XXXX

Vilnius city and district numbering

90.

5

24X XXXX

Vilnius city and district numbering

91.

5

25X XXXX

Vilnius city and district numbering

92.

5

26X XXXX

Vilnius city and district numbering

93.

5

27X XXXX

Vilnius city and district numbering

94.

528

XX XXX

Trakai district numbering

95.

5

29X XXXX

Reserved

96.

5

3XX XXXX

Reserved

97.

5

4XX XXXX

Reserved

98.

5

5XX XXXX

Reserved

99.

5

6XX XXXX

Reserved

100.

5

7XX XXXX

Reserved

101.

58X

XX XXX

Reserved

102.

59X

XX XXX

Reserved

 

Public mobile telephone communication service numbers (600 00 000–699 99 999):

No.

Leading digits of N(S)N
(national (significant) number)

Number purpose

1.

6XXXXXXX

Public mobile telephone communication services


 

Service numbers (700 00 000–799 99 999):

No.

Leading digits of N(S)N
(national (significant) number)

Number purpose

1.

700XXXXX

Personal number

2.

701XXXXX–704XXXXX

Reserved

3.

705XXXXX

Voting by telephone services

4.

706XXXXX

State and its institutions non-commercial functioning

5.

707XXXXX

Company networks

6.

708XXXXX–79XXXXXX

Reserved

 

Service numbers (800 00 000–899 99 999):

No.

Leading digits of N(S)N
(national (significant) number)

Number purpose

1.

800XXXXX

Freephone services

2.

801XX XXX

Direct dialing-in via the internet services

3.

802XX XXX

Collect call services

4.

803XXXXX–807XXXXX

Reserved

5.

808XXXXX

Shared payment services

6.

809XXXXX–89XXXXXX

Reserved

 

Service numbers (900 00 000–999 99 999):

No.

Leading digits of N(S)N
(national (significant) number)

Number purpose

1.

900XXXXX

Value added tariff services

2.

901XXXXX

Direct dialing-in via the Internet services

3.

902XXXXX

Value added tariff services

4.

903XXXXX

Value added tariff services

5.

904XXXXX–908XXXXX

Reserved

6.

909XXXXX

Value added tariff adult services

7.

910XXXXX

Value added tariff services

8.

911XXXXX–999XXXXX

Reserved

Amendments

Abbreviations used in this section

ADD
Insert
PAR
Paragraph
COL
Column
REP
Replace
LIR
Read
SUP
Delete
P
Page(s)
3 publications
01

Amd. no. 29 to Mobile Network Codes (MNC) for the international identification plan for public networks and subscriptions

ITU-T E.212 2016-09
Amd 29Position amended originally published as annex to OB No. 1280 · 14.XI.2023Authoritative ↗
ADD1313-001AdditionEffective14.XI.2018
mcc mnc codescountry or areanetworks
 Singapore     ADD 
525 2055G EP Testbed
 Spain     SUP 
214 704AMPER SISTEMAS, S.A.U.

MCC: Mobile Country Code / Indicatif de pays du mobile / Indicativo de país para el servicio móvil

MNC: Mobile Network Code / Code de réseau mobile / Indicativo de red para el servicio móvil

02

Amd. to National Numbering Plan

ITU-T E.129 2013-01
ADD1313-001Addition
country or areacountry code
Micronesia+691

Administrations are requested to notify ITU about their national numbering plan changes, or to give an explanation on their webpage concerning the national numbering plan as well as their contact points, so that the information, which will be made available freely to all administrations/ROAs and service providers, can be posted on the ITU-T website.

For their numbering website, or when sending their information to ITU/TSB (e-mail: tsbtson@itu.int ), administrations are kindly requested to use the format as explained in Recommendation ITU-T E.129. They are reminded that they will be responsible for the timely update of this information.

From 1.III.2025, the following countries/geographical areas have updated their national numbering plan on our site:

03

Amd. no. 15 to List of International Signalling Point Codes (ISPC)

ITU-T Q.708 1999-03
Amd 15Position amended originally published as annex to OB No. 1295 · 30.VI.2024Authoritative ↗
ADD1313-001AdditionEffective1.VI.2020
ipsccountrydecsignal point namesignal point operator
4-220-0Myanmar9952YGGS01Telecom International Myanmar Co.,Ltd
4-220-1Myanmar9953YGST01Telecom International Myanmar Co.,Ltd
4-220-2Myanmar9954MDGS01Telecom International Myanmar Co.,Ltd
4-220-3Myanmar9955MDST01Telecom International Myanmar Co.,Ltd

____________

ISPC: International Signalling Point Codes.

Codes de points sémaphores internationaux (CPSI).

Códigos de puntos de señalización internacional (CPSI).

View older issues

Official source

See the authoritative resource for this edition of ITU Operational Bulletin on the ITU website.

Contacts

Place des Nations CH-1211 Genève 20 (Switzerland)

Tel: +41 22 730 5111

Email: itumail@itu.int ★

Standardization Bureau (TSB)

Tel: +41 22 730 5211 ★

Fax: +41 22 730 5853 ★

Email: tsbmail@itu.int ★

Email: tsbtson@itu.int ★

Radiocommunication Bureau (BR)

Tel: +41 22 730 5560 ★

Fax: +41 22 730 5785 ★

Email: brmail@itu.int ★