Operational Bulletin online

ITU Operational Bulletin

No. 1184

Information received by 1.XI.2019 ISSN 1564-5223 (Online)
Place des Nations CH-1211
Genève 20 (Switzerland)
Tel: +41 22 730 5111 Email:
Standardization Bureau (TSB) Tel: +41 22 730 5211 Fax: +41 22 730 5853 Email:
Radiocommunication Bureau (BR) Tel: +41 22 730 5560 Fax: +41 22 730 5785 Email:

Dates of publication of the next Operational Bulletins

No. Publication date Including information received by
1185 1.XII.2019 20.XI.2019
1186 15.XII.2019 2.XII.2019
1187 1.I.2020 13.XII.2019
1188 15.I.2020 31.XII.2019
1189 1.II.2020 15.I.2020
1190 15.II.2020 31.I.2020
1191 1.III.2020 14.II.2020
1192 15.III.2020 2.III.2020
1193 1.IV.2020 16.III.2020
1194 15.IV.2020 1.IV.2020
1195 1.V.2020 15.IV.2020
1196 15.V.2020 1.V.2020
1197 1.VI.2020 15.V.2020
1198 15.VI.2020 1.VI.2020
1199 1.VII.2020 17.VI.2020
1200 15.VII.2020 1.VII.2020
1201 1.VIII.2020 15.VII.2020
1202 15.VIII.2020 31.VII.2020
1203 1.IX.2020 16.VIII.2020
1204 15.IX.2020 1.IX.2020
1205 1.X.2020 15.IX.2020
1206 15.X.2020 1.X.2020
1207 1.XI.2020 15.X.2020
1208 15.XI.2020 30.X.2020
1209 1.XII.2020 16.XI.2020

General information

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.
1162 Mobile Network Codes (MNC) for the international identification plan for public networks and subscriptions (according to ITU-T E.212 (2016-09)) (position on 2018-12-15 00:00:00 UTC)
1161 List of Issuer Identifier Numbers for the International Telecommunication Charge Card (according to ITU-T E.118 (2006-05)) (position on 2018-12-01)
1154 Status 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 2018-08-15)
1125 List of terrestrial trunk radio mobile country codes (according to ITU-T E.218 (2004-5)) (position on 2017-06-01 00:00:00 UTC)
1125 List of Signalling Area/Network Codes (SANC) (according to ITU-T Q.708 (1999-03)) (position on 2017-06-01 00:00:00 UTC)
1117 List of mobile country or geographical area codes (according to ITU-T E.212 (2016-09)) (position on 2017-02-01 00:00:00 UTC)
1114 List of Recommendation ITU-T E.164 Assigned Country Codes (according to ITU-T E.164 (2010-11)) (position on 2016-12-15)
1109 List of International Signalling Point Codes (ISPC) (according to ITU-T Q.708 (1999-03)) (position on 2016-10-01)
1096 Legal time 2016
1073 Legal time 2015
1060 List of ITU Carrier Codes (according to ITU-T M.1400 (2013-03)) (position on 2014-09-15 00:00:00 UTC)
1049 Legal time 2014
1027 Legal time 2013
1015 List of Access codes/numbers for mobile networks (according to ITU-T E.164 (2010-11)) (position on 2012-11-01 00:00:00 UTC)
1002 List of Country or Geographical Area Codes for non standard facilities in telematic services (according to ITU-T T.35 (2000-02)) (position on 2012-04-12 00:00:00 UTC)
1001 List 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 2012-04-15 00:00:00 UTC)
1000 Service Restrictions (Recapitulatory list of service restrictions in force relating to telecommunications operation) (position on 2012-03-15 00:00:00 UTC)
999 Legal time 2012
994 Dialling Procedures (International prefix, national (trunk) prefix and national (significant) number) (according to ITU-T E.164 (2010-11)) (position on 2011-12-15 00:00:00 UTC)
991 Call-Back and alternative calling procedures (position on 2011-11-01 00:00:00 UTC)
980 List of Telegram Destination Indicators (according to ITU-T F.32 (1995-10)) (position on 2011-05-15 00:00:00 UTC)
978 List of Telex Destination Codes (TDC) and Telex Network Identification Codes (TNIC) (position on 2011-04-15 00:00:00 UTC)
977 List of Data Network Identification Codes (DNIC) (according to ITU-T X.121 (2000/10)) (position on 2011-01-01 00:00:00 UTC)
976 List of Data Country or Geographical Area Codes (according to ITU-T X.121 (2000/10)) (position on 2011-03-15 00:00:00 UTC)
974 List of Names of Administration Management Domains (ADMD) (according to ITU-T F.400) (position on 2011-02-15 00:00:00 UTC)
955 Various tones used in national networks (according to ITU-T E.180 (1998-3)) (position on 2010-05-01 00:00:00 UTC)
669 Five-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:

Approval of ITU-T Recommendations

By AAP-69, it was announced that the following ITU-T Recommendations were approved, in accordance with the procedures outlined in Recommendation ITU-T A.8:

  • ITU-T K.44 (10/2019): Resistibility tests for telecommunication equipment exposed to overvoltages and overcurrents – Basic Recommendation
  • ITU-T K.45 (10/2019): Resistibility of telecommunication equipment installed in the access and trunk networks to overvoltages and overcurrents
  • ITU-T L.1022 (10/2019): Circular economy: Definitions and concepts for material efficiency for information and communication technology
  • ITU-T X.1044 (10/2019): Security requirements of network virtualization
  • ITU-T X.1045 (10/2019): Security service chain architecture for networks and applications
  • ITU-T X.1059 (10/2019): Implementation guidance for telecommunication organizations on risk management of their assets globally accessible in IP-based networks
  • ITU-T X.1232 (10/2019): Technical framework for countering advertising spam in user-generated information
  • ITU-T Y.3800 (10/2019): Overview on networks supporting quantum key distribution

Telephone Service

In accordance with ITU-T Recommendation E.164

Burkina Faso +226

Communication of 18.X.2019

The Autorité de Régulation des Communications Electroniques et des Postes (ARCEP), Ouagadougou , announces the following updates to the national numbering plan Burkina Faso.

  • assignment of new prefix AB=02:

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

Time and date of introduction

Maximum length

Minimum length




Non-geographic number - Mobile telephone service

ONATEL-SA Burkina Faso

2019-10-16-00:00 (UTC)

Morocco +212

Communication of 29.X.2019

The Agence Nationale de Réglementation des Télécommunications (ANRT) , Rabat, announces the following update of the national telephone-numbering plan of Morocco.

  • new NDC below has recently been introduced as follows:

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




Mobile services 2G/3G/4G

Wana Corporate 1

1 : INWI

Trinidad and Tobago +1 868

Communication of 28.X.2019

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.

  •  Mobile network

Name of operator

Central office code


Digicel Trinidad and Tobago Limited




Service Restrictions

Country/geographical area OB
Seychelles 1006 (page 13)
Slovakia 1007 (page 12)
Malaysia 1013 (page 5)
Thailand 1034 (page 5)
São Tomé and Principe 1039 (page 14)
Uruguay 1039 (page 14)
Hong Kong, China 1068 (page 4)
Ukraine 1148 (page 5)

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

Other communications


Communication of 23.X.2019:

On the occasion of the "YOTA (Youngsters on the Air)” month, the Serbian Administration authorizes a radio station of the Amateur Radio Union of Serbia to use the special call sign YT19YOTA from 1 to 31 December 2019.


Abbreviations used in this section


Amd. no. 17 to List of Issuer Identifier Numbers for the International Telecommunication Charge Card

In accordance with ITU-T Recommendation E.118 (2006-05)

Position amended originally published as annex to ITU Operational Bulletin No. 1161 — 1.XII.2018

Bulgaria                      ADD

Country/ Geographical area

Company Name/Address

Issuer Identifier Number


Effective date of usage


GPS Bulgaria AD

64 Christopher Columbus Blvd.

Ent. B3, fl. 2


89 359 22

Angelina Todorova

64 Hristofor Kolumb blvd.

Ent. B3, floor 2


Tel.:        +359 882226864



Amd. no. 10 to Mobile Network Codes (MNC) for the international identification plan for public networks and subscriptions

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

Position amended originally published as annex to ITU Operational Bulletin No. 1162 — 15.XII.2018

Country/Geographical area



Estonia SUP



248 15

Premium Net International S.R.L. Eesti filiaal

Amd. no. 75 to List of ITU Carrier Codes

In accordance with ITU-T Recommendation M.1400 (2013-03)

Position amended originally published as annex to ITU Operational Bulletin No. 1060 — 15.IX.2014

Country or area/ISO code

Company Code


  Company Name/Address

(carrier code)


Germany (Federal Republic of) / DEU                ADD

Deutsche Multimedia Service GmbH

Universitaetsstrasse 133

D-44803 BOCHUM


Mr Henning Boettcher

Tel.:      +49 234 3141428


GA-Glasfasernetz Angeln GmbH

Projensdorfer Strasse 324

D-24106 KIEL


Mr Sven Schade

Tel.:      +49 431 7097 400

Fax:      +49 431 7097 555


Stadtwerke Rendsburg GmbH

Am Eiland 12



Mr Mitat Karahan

Tel.:       +49 4331 209 202

Fax:        +49 4331 209 405


Stadtwerke Tübingen GmbH

Eisenhutstrasse 6



Mrs Antje Fleischer

Tel.:      +49 7071 157 256

Fax:      +49 7071 157 200


Amd. no. 64 to List of International Signalling Point Codes (ISPC)

In accordance with ITU-T Recommendation Q.708 (1999-03)

Position amended originally published as annex to ITU Operational Bulletin No. 1109 — 1.X.2016

Country/ Geographical Area

Unique name of the signalling point

Name of the signalling point operator



Estonia    ADD




Novametro OÜ


ISPC:      International Signalling Point Codes.

              Codes de points sémaphores internationaux (CPSI).

              Códigos de puntos de señalización internacional (CPSI).

Amd. to National Numbering Plan

In accordance with ITU-T Recommendation E.129 (2013-01)

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: ), 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.X.2019, the following countries/geographical areas have updated their national numbering plan on our site:


Country/ Geographical area

Country Code (CC)