Skip to content
OB

ITU Operational Bulletin

ITU Operational Bulletin·Biweekly publication of the ITU

Issue

No. 1242

Published15.IV.2022Cutoff1.IV.2022ISSN1564-5223
←12411243→

Forward schedule

Dates of publication of the next Operational Bulletins

25 upcoming
No.Publication dateIncluding information received by
No. 12431.V.202210.IV.2022
No. 124415.V.202229.IV.2022
No. 12451.VI.202214.V.2022
No. 124615.VI.202231.V.2022
No. 12471.VII.202217.VI.2022
No. 124815.VII.20221.VII.2022
No. 12491.VIII.202215.VII.2022
No. 125015.VIII.20223.VIII.2022
No. 12511.IX.202214.VIII.2022
No. 125215.IX.202231.VIII.2022
No. 12531.X.202215.IX.2022
No. 125415.X.202230.IX.2022
No. 12551.XI.202214.X.2022
No. 125615.XI.20221.XI.2022
No. 12571.XII.202215.XI.2022
No. 125815.XII.202230.XI.2022
No. 12591.I.20239.XII.2022
No. 126015.I.202319.XII.2022
No. 12611.II.202313.I.2023
No. 126215.II.202331.I.2023
No. 12631.III.202314.II.2023
No. 126415.III.20233.III.2023
No. 12651.IV.202315.III.2023
No. 126615.IV.20233.IV.2023
No. 126730.IV.202316.IV.2023

General Information

8 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 1.XII.2018)
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 15.VIII.2018)
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 1.VI.2017)
958Mobile Network Codes (MNC) for the international identification plan for public networks and subscriptions((according to ITU-T E.212 (2016-09)))(position on 15.XII.2018)
956List of International Signalling Point Codes (ISPC)((according to ITU-T Q.708 (1999-03)))(position on 30.VI.2020)
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-2, it was announced that the following ITU-T Recommendations were approved, in accordance with the procedures outlined in Recommendation ITU-T A.8:

03

The International Public Telecommunication Numbering Plan

In accordance with ITU-T Recommendation E.164 (2010-11)

Note from TSB

Identification codes for international networks

Associated with shared country code 883 for international networks, the following three-digit identification code has been assigned:

Applicant

Network

Country Code and
Identification Code

Date of assignment

Truphone Limited

Truphone Limited

+883 440

1.IV.2022

04

International Identification Plan for Public Networks and Subscriptions

In accordance with ITU-T Recommendation E.212 (2016-09)

Note from TSB

Identification codes for International Mobile Networks

Associated with shared mobile country code 901 (MCC), the following two-digit mobile network codes (MNC) have been assigned.

 

Network

Mobile Country Code (MCC) and
Mobile Network Code (MNC)

Date of assignment

DIDWW Ireland Limited

901 89

1.IV.2022

Truphone Limited

901 90

1.IV.2022

World Mobile Group Limited

901 91

1.IV.2022

05

Service Restrictions

Authoritative resource

Country / Geographical AreaOB No.PageNote
Seychelles100613
Slovakia100712
Malaysia10135
Thailand10345
São Tomé and Principe103914
Uruguay103914
Hong Kong, China10684
Ukraine11485
06

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

07

Telephone Service

In accordance with ITU-T Recommendation E.164

Authoritative resource

Denmark +45

Danish Energy Agency
43 Carsten Niebuhrs Gade
1577 COPENHAGEN V
Denmark
Tel:	+45 33 92 67 00 
Fax:	+45 33 11 47 43
E-mail:	ens@ens.dk 
URL:	www.ens.dk
Communication of 28.III.2022

The Danish Energy Agency, Copenhagen, announces the following updates to the national numbering plan of Denmark:

  • Withdrawals

Type

Numbering resource

Provider

Date of withdrawal

Fixed communication

3266efgh

TDC Net A/S

13.XII.2021

Fixed communication

96788fgh

TDC Net A/S

30.XII.2021

Fixed communication

65425fgh

TDC Net A/S

30.XII. 2021

Fixed communication

86779fgh

TDC Net A/S

30.XII. 021

Fixed communication

65717fgh

TDC Net A/S

30.XII.2021

Fixed communication

65718fgh

TDC Net A/S

30.XII.2021

Fixed communication

65719fgh

TDC Net A/S

30.XII.2021

Fixed communication

32666fgh

TDC Net A/S

30.XII.2021

Fixed communication

99116fgh

TDC Net A/S

30.XII.2021

Fixed communication

99357fgh

TDC Net A/S

30.XII.2021

Fixed communication

62523fgh

TDC Net A/S

30.XII.2021

Fixed communication

62665fgh

TDC Net A/S

30.XII.2021

Fixed communication

36144fgh

TDC Net A/S

30.XII.2021

Fixed communication

36145fgh

TDC Net A/S

30.XII.2021

Fixed communication

36146fgh

TDC Net A/S

30.XII.2021

Fixed communication

36147fgh

TDC Net A/S

30.XII.2021

Fixed communication

38831fgh

TDC Net A/S

30.XII.2021

Fixed communication

96456fgh

TDC Net A/S

30.XII.2021

Fixed communication

64814fgh

TDC Net A/S

30.XII.2021

Fixed communication

38141fgh

TDC Net A/S

30.XII.2021

Fixed communication

56669fgh

TDC Net A/S

30.XII.2021

Fixed communication

73322fgh

TDC Net A/S

30.XII.2021

Fixed communication

73405fgh

TDC Net A/S

30.XII.2021

Fixed communication

89410fgh

TDC Net A/S

30.XII.2021

Fixed communication

89532fgh

TDC Net A/S

30.XII.2021

Fixed communication

98754fgh

TDC Net A/S

30.XII.2021

Fixed communication

45672fgh

TDC Net A/S

30.XII.2021

Fixed communication

45844fgh

TDC Net A/S

30.XII.2021

Fixed communication

45906fgh

TDC Net A/S

30.XII.2021

Fixed communication

33465fgh

TDC Net A/S

30.XII.2021

Fixed communication

33466fgh

TDC Net A/S

30.XII.2021

Fixed communication

33978fgh

TDC Net A/S

30.XII.2021

Fixed communication

33981fgh

TDC Net A/S

30.XII.2021

Fixed communication

39974fgh

TDC Net A/S

30.XII.2021

Fixed communication

43339fgh

TDC Net A/S

30.XII.2021

Fixed communication

63824fgh

TDC Net A/S

30.XII.2021

MNC

MNC77

Telenor A/S

31.XII.2021

Premium rate services

90300fgh

Telenor A/S

31.XII.2021

Premium rate services

90410fgh

Telenor A/S

31.XII.2021

Premium rate services

90510fgh

Telenor A/S

31.XII.2021

Toll-free numbers

80700fgh

Telenor A/S

31.XII.2021

Fixed communication

8790efgh

Telenor A/S

31.XII.2021

Carrier selection code

1001

Telenor A/S

31.XII.2021

Carrier selection code

1016

Telenor A/S

31.XII.2021

5 digit short code for across net services

16116

Telenor A/S

31.XII.2021

5 digit short code for across net services

16123

Telenor A/S

31.XII.2021

5 digit short code for across net services

16160

Telenor A/S

31.XII.2021

5 digit short code for across net services

16166

Telenor A/S

31.XII.2021

5 digit short code for across net services

16260

Telenor A/S

31.XII.2021

IIN

IIN894577

Telenor A/S

31.XII.2021

Fixed communication

7280efgh

Telenor A/S

31.XII.2021

Premium rate services

90100fgh

Telenor A/S

31.XII.2021

Premium rate services

90200fgh

Telenor A/S

31.XII.2021

5 digit short code for across net services

16320

Telenor A/S

31.XII.2021

Toll-free numbers

80100fgh

Telenor A/S

31.XII.2021

Toll-free numbers

80102fgh

Telenor A/S

31.XII.2021

Mobile communication

4682efgh

Telenor Connexion AB

14.I.2022

Mobile communication

4683efgh

Telenor Connexion AB

14.I.2022

Mobile communication

4684efgh

Telenor Connexion AB

14.I.2022

Mobile communication

4685efgh

Telenor Connexion AB

14.I.2022

Mobile communication

4686efgh

Telenor Connexion AB

14.I.2022

Mobile communication

4687efgh

Telenor Connexion AB

14.I.2022

Mobile communication

4688efgh

Telenor Connexion AB

14.I.2022

Mobile communication

4689efgh

Telenor Connexion AB

14.I.2022

Mobile communication

468defgh

Telenor Connexion AB

20.I.2022

Mobile communication

66338fgh

Cobira ApS

15.III.2022

Premium rate services

90565fgh

TDC Net A/S

30.III.2022

Premium rate services

9013efgh

TDC Net A/S

30.III.2022

ISPC

ISPC2-217-1

Colt Technology Services A/S

31.III.2022

 


 

·       Assignments

 

Type

Numbering resource

Provider

Date of assignment

Fixed communication

3224efgh

Telavox ApS

24.I.2022

Fixed communication

3225efgh

Telavox ApS

24.I.2022

Mobile communication

8182efgh

Maxtel.dk ApS

25.I.2022

Fixed communication

703450gh

Maxtel.dk ApS

25.I.2022

Fixed communication

70706fgh

Maxtel.dk ApS

25.I.2022

Fixed communication

7273efgh

Maxtel.dk ApS

25.I.2022

Fixed communication

70901fgh

Puzzel A/S

31.I.2022

Fixed communication

70902fgh

Puzzel A/S

31.I.2022

Fixed communication

70903fgh

Puzzel A/S

31.I.2022

Fixed communication

70904fgh

Puzzel A/S

31.I.2022

Fixed communication

70905fgh

Puzzel A/S

31.I.2022

Fixed communication

70906fgh

Puzzel A/S

31.I.2022

Fixed communication

70908fgh

Puzzel A/S

31.I.2022

Fixed communication

32444fgh

Telecom X ApS

1.III.2022

Fixed communication

45206fgh

Telavox ApS

7.III.2022

Russian Federation +7

Ministry of Digital Development, Communications and Mass Media of the Russian Federation
Department of the Development of Mass Media and International Cooperation
Presnenskaya Embankment 10, building 2
Moscow, 123112
Russian Federation
Tel.:	+7 495 771 8000
E-mail:	office@digital.gov.ru
URL:	www.digital.gov.ru
Communication of 4.III.2022

The Ministry of Digital Development, Communications and Mass Media of the Russian Federation, Moscow, announces the following update to the national numbering plan of the Russian Federation.

 

National destination code (NDC)

N(S)N number length

Usage of
ITU-T E.164 number

Additional information

Maximum length

Minimum length

941

10

10

Non-geographic number

Area code for
JSC GLONASS mobile network

Trinidad and Tobago +1868

Ms Cynthia Reddock-Downes
Chief Executive Officer
Telecommunications Authority of Trinidad and Tobago (TATT)
5, Eight Avenue Extension, off Twelfth Street
BARATARIA 
Trinidad and Tobago
Tel:	+1 868 675 8288 
Fax:	+1 868 674 1055 
E-mail: 	info@tatt.org.tt
URL:	www.tatt.org.tt
Communication of 21.III.2022

The Telecommunications Authority of Trinidad and Tobago (TATT), Barataria, announces that the following Central Office codes (CO) have been assigned to an operator in Trinidad and Tobago.

  • Fixed network

Name of operator

Central Office code
(NXX)

Service

Columbus Communications Trinidad Limited

215

216

217

Fixed

 

International dialling format: +1 868 NXX XXXX

Uganda +256

Ms Irene Kaggwa Sewankambo 
Ag. Executive Director 
Uganda Communications Commission (UCC) 
Plot 42-44 Spring Road, Bugolobi 
P.O. Box 7376, Kampala, Uganda 
Tel:	+256 41 433 9000 
Fax:	+256 41 434 8832 
E-mail: 	ucc@ucc.co.ug 
URL:	www.ucc.co.ug
Communication of 17.III.2022

The Uganda Communications Commission (UCC), Kampala, announces the following National Numbering Plan of Uganda.

ITU-T E.164 NATIONAL NUMBERING PLAN FOR COUNTRY CODE 256

a)          Overview

              The minimum number length (excluding the country code) is 9 digits

              The maximum number length (excluding the country code) is 9 digits

b)          Details of numbering scheme

 

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

N(S)N Number Length

Usage of
ITU-T E.164 Number

Additional information

Maximum
Length

Minimum
Length

200

201

9

9

Fixed telephony services for Airtel Uganda Limited

Network fully operational

20240

9

9

Fixed telephony services for Liquid Telecom Limited

Network fully operational

20306

20307

9

9

Fixed telephony services for Sombha Solutions store Limited

Network fully operational

2050

2051

2052

2053

2054

9

9

Fixed telephony services for Roke Investment International Limited

Network fully operational

20611

9

9

Fixed telephony services for Hamilton Telecom

Network operational

206300

206301

206302

206303

206304

9

9

Fixed telephony services for Simbanet Uganda Limited

Network fully operational

207

9

9

Fixed telephony services for Airtel Uganda Limited

Network fully operational

3

9

9

Fixed telephony services for MTN Uganda Limited

Network is fully operational

4

9

9

Fixed telephony services for Uganda Telecom Limited

Network is fully operational

700

701

702

703

704

705

706

707

708

709

9

9

Mobile telephony services for Airtel Uganda Limited

Network is fully operational

710

711

712

713

714

715

716

717

718

719

9

9

Mobile telephony services for Uganda Telecom Limited

Network is fully operational

720

9

9

Mobile telephony services for Smile Communications (U) Ltd

Network is fully operational

7240

9

9

Mobile telephony services for Hamilton Limited

Network not yet operational

7260

7261

9

9

Mobile telephony services for Tangerine Limited

Network is fully operational

740

741

742

9

9

Mobile telephony services for Airtel Uganda Limited

Network is fully operational

750

751

752

753

754

755

756

757

758

759

9

9

Mobile telephony services for Airtel Uganda Limited

Network is fully operational

760

761

9

9

Mobile telephony services for MTN Uganda Limited

Network is fully operational

770

771

772

773

774

775

776

777

778

779

9

9

Mobile telephony services for MTN Uganda Limited

Network is fully operational

780

781

782

783

784

785

786

787

788

789

9

9

Mobile telephony services for MTN Uganda Limited

Network is fully operational

Please note the withdrawal of the Fixed Numbers range 0208100000 to 0208109999 from Wananchi Cable (U) Limited.

08

Other communications

Serbia

Communication of 30.III.2022:

On the occasion of the jubilee of the foundation of the Amateur Radio Union "Timok" from Zajecar, the Serbian Administration authorizes radio stations of the Amateur Radio Union "Timok" to use the special call sign YU75ACR from 1 March to 31 December 2022.

Amendments

Abbreviations used in this section

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

Amd. no. 29 to List of Recommendation ITU-T E.164 Assigned Country Codes

ITU-T E.164 2010-11
Amd 29Position amended originally published as annex to OB No. 1114 · 15.XII.2016Authoritative ↗
ADD*Note p)ADD*Effective14.XI.2016
applicantnetworkcc icstatus
Truphone LimitedTruphone Limited+883 440Assigned
ADD1242-002AdditionEffective14.XI.2016

No structured entries — parser did not extract data for this amendment.

Notes common to Numerical and Alphabetical lists of ITU-T Recommendation E.164 assigned country codes

__________

See page 5 of the present Operational Bulletin No. 1242 of 15.IV.2022.

02

Amd. no. 72 to Mobile Network Codes (MNC) for the international identification plan for public networks and subscriptions

ITU-T E.212 2016-09
Amd 72Position amended originally published as annex to OB No. 1162 · 15.XII.2018Authoritative ↗
ADD1242-001AdditionEffective14.XI.2018
mcc mnc codescountry or areanetworks
 Denmark    SUP 
238 77Telenor
 Japan    SUP 
441 91The Tokyo Organising Committee of the Olympic and Paralympic Games
 Japan    ADD 
441 207Mitsui Knowledge Industry Co., Ltd.
441 208CHUDENKO CORPORATION
441 209Cable Television TOYAMA Inc.
441 210NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION
 Japan    LIR 
440 01KDDI CORPORATION
 Netherlands    SUP 
204 01RadioAccess Network Services B.V.
204 05Elephant Talk Communications Premium Rate Services
204 67RadioAccess B.V.
 Netherlands    ADD 
204 17Lebara Ltd
204 62RGTN Wholesale Netherlands B.V.
 Netherlands    LIR 
204 24PM Factory B.V.
 International Mobile, shared code ADD 
901 89DIDWW Ireland Limited
901 90Truphone Limited
901 91World Mobile Group Limited

* 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

03

Amd. to List V - List of Ship Stations and Maritime Mobile Service Identity Assignments

ITU-T RR.25.1

ADD

BR09  Radiomar Telecomunicações, Produtos e Serviços Ltda.,

               Rua Lauro Muller 116, sala 1501 - Botafogo, CEP 22290-160,

                             Rio de Janeiro - RJ, BRASIL.

                             E-mail: telecom@radiomar.com.br, Tel: +55 21 3993-5030, +55 21 3993-5036,

                             Contact person: Edivaldo Quinteiro Sander.

 

REP

GB06  SIRM UK Marine Limited, 69-71 Haltwhistle Road,

                             South Woodham Ferrers, Chelmsford, Essex CM3 5ZA, United Kingdom.

                             E-mail: scott.gibson@sirm.co.uk, terry.birch@sirm.co.uk,

                             Tel: +44 (0) 1245 933340,

                             Contact Persons: Mr Terry Birch and Mr Scott Gibson.

 

REP

GB08  SIRM UK Marine Limited, 69-71 Haltwhistle Road,

                             South Woodham Ferrers, Chelmsford, Essex CM3 5ZA, United Kingdom.

                             E-mail: scott.gibson@sirm.co.uk, terry.birch@sirm.co.uk,

                             Tel: +44 (0) 1245 933340,

                             Contact Persons: Mr Terry Birch and Mr Scott Gibson.

04

Amd. no. 133 to List of ITU Carrier Codes

ITU-T M.1400 2013-03
Amd 133Position amended originally published as annex to OB No. 1060 · 15.IX.2014Authoritative ↗
LIRGermany (FederalLapsed / Inactive RecordEffective15.VIII.2014
country or areacompany nameaddress line 1address line 2carrier codecontacttelfax
Germanycolpari GmbHWaldstrasse 5D-04105 LEIPZIGCOLPRIMr Rene Rost+49 341 6567220+49 341 6567221
ADDGermany (FederalAdditionEffective15.VIII.2014
country or areacompany nameaddress line 1address line 2carrier codecontacttelfax
GermanyAstelon Estate Services Germany Ltd. & Co.KGFaerberstrasse 3 AD-78467 KONSTANZASTLDEMr Julius Kempa+49 7531 19564950+49 7531 19564959
ADD1242-003AdditionEffective15.VIII.2014
country or areacompany nameaddress line 1address line 2carrier codecontacttel
GermanyLiberty Networks Germany GmbHSubbelrather Strasse 15 aD-50823 COLOGNELNGERMr Thomas Schidek+49 151 1142 7457
ADD1242-004AdditionEffective15.VIII.2014
country or areacompany nameaddress line 1address line 2carrier codecontacttelfax
GermanyMister Fuxx GmbHRosenauer Str. 10096450 COBURGMRFUXXMr Werner Weber+49 15231701138+49 91913514380
ADD1242-005AdditionEffective15.VIII.2014
country or areacompany nameaddress line 1address line 2carrier codecontacttelfax
GermanyWalter Fritz Deutsche Gesellschaft für Energieversorgung mbHWindischenstrasse 23D-99423 WEIMARWFDGEVMr Sanin Dautovic+49 3643 49315 24+49 3643 49315 56
05

Amd. to National Numbering Plan

ITU-T E.129 2013-01
ADD1242-001Addition
country or areacountry code
Burkina Faso+226
Faroe Islands+298
Iran (Islamic Republic of)+98
Saint Vincent and the Grenadines+1 784
Syrian Arab Republic+963

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 15.III.2022, the following countries/geographical areas have updated their national numbering plan on our site:

06

Amd. no. 33 to List of International Signalling Point Codes (ISPC)

ITU-T Q.708 1999-03
Amd 33Position amended originally published as annex to OB No. 1199 · 30.VI.2020Authoritative ↗
SUP1242-001SuppressionEffective1.VI.2020
ipsccountrydecsignal point namesignal point operator
2-217-1Denmark5833CopenhagenCOLT Telecom
SUP1242-002SuppressionEffective1.VI.2020
ipsccountrydecsignal point namesignal point operator
6-097-5Zimbabwe13069Aquiva WirelessAquiva Wireless (Pvt) 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 ★