ITU Operational Bulletin www.itu.int/itu-t/bulletin
No. 1238	15.II.2022	(Information received by 31 January 2022)  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

The International Public Telecommunication Numbering Plan: Note from TSB 4

Other communications:

Austria... 5

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) 7

List of International Monitoring Stations (List VIII) 8

List of Issuer Identifier Numbers for the International Telecommunication Charge Card. 9

List of Recommendation ITU-T E.164 assigned Country Codes. 10

Mobile Network Codes (MNC) for the international identification plan  for public networks and subscriptions  11

List of ITU Carrier Codes  11

List of International Signalling Point Codes (ISPC) 12

National Numbering Plan. 13