ITU Operational Bulletin
www.itu.int/itu-t/bulletin

No. 1164

15.I.2019

(Information received by 31 December 2018)  ISSN 1564-5223 (Online)

Place des Nations CH-1211
Genève 20 (Switzerland)
Tel:            +4
1 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

Telephone Service:

Kenya (Communications Authority of Kenya (CA), Nairobi) 4

Viet Nam (Ministry of Information and Communications (MIC), Hanoi).. 7

Zimbabwe (Postal and Telecommunications Regulatory Authority of Zimbabwe (POTRAZ), Harare)

Service Restrictions.. 19

Call – Back and alternative calling procedures (Res. 21 Rev. PP – 2006).. 19

AMENDMENTS  TO  SERVICE  PUBLICATIONS

List of Issuer Identifier Numbers for the International Telecommunication Charge Card. . 20

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

List of ITU Carrier Codes. . 26

List of International Signalling Point Codes (ISPC).. 27

National Numbering Plan