ITU Operational Bulletin www.itu.int/itu-t/bulletin
No. 1348	15.IX.2026	(Information received by 31 August 2026)   ISSN 1564-5223 (Online)
Place des Nations CH-1211 Genève 20 (Switzerland) Tel:            +41 22 730 5111 E-mail:       itumail@itu.int		Standardization Bureau (TSB) Tel:             +41 22 730 5211 Fax:            +41 22 730 5853 E-mail:       tsbmail@itu.int / tsbtson@itu.int	Radiocommunication Bureau (BR) Tel:             +41 22 730 5560 Fax:            +41 22 730 5785 E-mail:       brmail@itu.int

                                Table of Contents

GENERAL  INFORMATION

Lists annexed to the ITU Operational Bulletin: Note from TSB

Approval and deletion of ITU-T Recommendations

Extra-territorial use of Mobile Country Code (MCC) and Mobile Network Code (MNC): Note from TSB

Telephone Service:

Botswana (Botswana Communications Regulatory Authority (BOCRA), Gaborone)

Guyana (Telecommunications Agency, Georgetown)

Iran (Islamic Republic of) (Communications Regulatory Authority (CRA), Tehran)

Papua New Guinea (National Information & Communications Technology Authority (NICTA), Boroko)

List of Ship Stations and Maritime Mobile Service Identity Assignments (List V)

Service Restrictions

Call-Back and alternative calling procedures (Res. 21 Rev. PP-06)

AMENDMENTS  TO  SERVICE  PUBLICATIONS

List of Issuer Identifier Numbers

Mobile Network Codes (MNC) for the international identification plan for public
networks and subscriptions

List of International Signalling Point Codes (ISPC)