Table of Contents

GENERAL  INFORMATION

Lists annexed to the ITU Operational Bulletin: Note from TSB

Approval and deletion of ITU-T Recommendations

Telephone Service:

Guyana (Telecommunications Agency, Georgetown)

Yemen (Ministry of Telecommunications and Information Technology, Aden)

Service Restrictions

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

AMENDMENTS  TO  SERVICE  PUBLICATIONS

List of Issuer Identifier Numbers

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

National Numbering Plan

Annex:

Status of Radiocommunications between Amateur Stations of Different Countries (In accordance with optional provision No. 25.1 of the Radio Regulations) and Form of Call Signs assigned by each Administration to its Amateur and Experimental Stations (Position on 15 October 2026)