ITU Operational Bulletin 1f8a81b9b0707b63-19211.webchannel-proxy.scarabresearch.com/itu-t/bulletin
No. 1238	15.II.2022	(Information received by 31 January 2022) �ISSN 1564-5223 (Online)
Place des Nations CH-1211 Gen�ve 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