ITU Operational Bulletin www.itu.int/itu-t/bulletin
No. 1222	15.VI.2021	(Information received by 1 June 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

Approval of ITU-T Recommendations

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

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

Telephone Service:

Ghana (National Communications Authority (NCA), Accra)

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

Issuer Identifier Number (IIN): Note from TSB

Other communication:

Austria

Service Restrictions

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

AMENDMENTS  TO  SERVICE  PUBLICATIONS

List of Coast Stations and Special Service Stations (List IV)

List of Issuer Identifier Numbers for the International Telecommunication Charge Card 

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

List of ITU Carrier Codes 

List of Signalling Area/Network Codes (SANC)

List of International Signalling Point Codes (ISPC)

National Numbering Plan