ITU Operational Bulletin www.itu.int/itu-t/bulletin
No. 1227	1.IX.2021	(Information received by 18 August 2021)  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. . 3

Approval of ITU-T Recommendations. . 4

Assignment of Signalling Area/Network Codes (SANC): Note from TSB

The International Public Telecommunication Numbering Plan: Note from TSB

International Identification Plan for Public Networks and Subscriptions: Notes from TSB

Service Restrictions. . 6

Call-Back and alternative calling procedures (Res. 21 Rev. PP-06) 6

AMENDMENTS  TO  SERVICE  PUBLICATIONS

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

List of Recommendation ITU-T E.164 assigned Country Codes

Mobile Network Codes (MNC) for the international identification plan  for public networks and
subscriptions. . 9

List of ITU Carrier Codes. . 10

List of Signalling Area/Network Codes (SANC)

List of International Signalling Point Codes (ISPC) 11

National Numbering Plan