ITU Operational Bulletin www.itu.int/itu-t/bulletin
No. 1173	1.VI.2019	(Information received by 15 May 2019)  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

The International Public Telecommunication Numbering Plan: Note from TSB

Telephone Service (Recommendation ITU-T E.164)

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

             Sierra Leone (National Telecommunications Commission (NATCOM), Freetown

Service Restrictions

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

AMENDMENTS  TO  SERVICE  PUBLICATIONS

List of Ship Stations and Maritime Mobile  Service Identity Assignments

List of Issuer Identifier Numbers for the International Telecommunication Charge Card

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

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

List of ITU Carrier Codes

National Numbering Plan