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ITU Telecommunication Standardization Sector (ITU-T)
International Numbering Resources
Bureaufax Table
The Bureaufax Table, published in collaboration with the Universal Postal Union (UPU) in pursuance of the provisions of ITU-T Recommendation F.170 (03/98), is now published in electronic version only.

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ENUM Delegations
ENUM defines a method for entering Recommendation E.164 country codes into the Internet Domain Name System.

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International Country Codes
International country codes lists published as Annexes to the ITU Operational Bulletin (OB).

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ITU Carrier Codes (ICC)
A centralized List of ITU Carrier Codes (ICCs) has been created with the ITU/TSB as the repository. All domestic and international carriers are expected to register with ITU/TSB for a carrier code.
List of Codes and Numbers
Lists of Codes and Numbers published by TSB or BR as Annexes to the ITU Operational Bulletin (OB).

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  • List of ITU-T Recommendation E.164 assigned country codes
  • List of signalling point codes (ISPC) (According to ITU-T Recommendation Q.708 (02/1999))
  • 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
  • List of signalling area/network codes (SANC)
  • Dialling procedures (international prefix, national (trunk) prefix and national (significant) number)
  • List of Access codes/numbers for mobile networks
  • List of terrestrial trunk radio mobile country codes
  • List of Mobile Country or Geographical Area Codes
  • Mobile Network Code (MNC) for the international identification plan for mobile terminals and mobile users
  • List of Issuer Identifier Numbers for the International Telecommunication Charge Card
  • List of Data Network Identification Codes (DNIC)
  • List of Data Country or Geographical Area Codes
  • Various tones used in national networks
  • List of Country or Geographical Area Codes for non standard facilities in telematic services
  • List of telegram destination indicators
  • List of Names of Administration Management Domains (ADMD)
  • List of Telex Destination Codes (TDC) and Telex Network Identification Codes (TNIC)
  • Five-letter Code Groups for the use of the International Public Telegram Service
Misuse of E.164 numbering resources
Member States and Sector Members are kindly asked to notify the TSB of situations that they are aware of that indicate potential misuse of numbering resources.

The reports and replies available on this website may be accessed by ITU TIES users only.
National Numbering Plans
Administrations are requested to notify ITU about their national numbering plan changes, or to give an explanation of their web page on national numbering plan as well as their contact points, so that the information, which will be available freely to all Administrations/ROAs and service providers, can be posted on ITU-T website.
Notification Forms and Lists for Codes & Numbers
Notification Forms and Lists for Codes & Numbers

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Operational Bulletin
The ITU Operational Bulletin is a fortnightly publication containing administrative and operational information exchanged between administrations and recognized operating agencies (ROAs) and other service providers, entities and organizations, in respect to international telecommunication services.

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  • Operational Bulletin (2006 Editions)
  • International Country Codes
    • List of terrestrial trunk radio mobile country codes
    • List of ITU-T Recommendation E.164 assigned country codes
    • List of Mobile Country or Geographical Area Codes
    • List of Data Country or Geographical Area Codes
    • List of Telex Destination Codes (TDC) and Telex Network Identification Codes (TNIC)
    • List of Signalling Area/Network Codes (SANC)
    • Five-letter Code Groups for the use of the International Public Telegram Service
    • List of Country or Geographical Area Codes for non standard facilities in telematic services
  • Lists Annexed
    • List of ITU-T Recommendation E.164 assigned country codes
    • List of signalling point codes (ISPC) (According to ITU-T Recommendation Q.708 (02/1999))
    • 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
    • List of signalling area/network codes (SANC)
    • Dialling procedures (international prefix, national (trunk) prefix and national (significant) number)
    • List of Access codes/numbers for mobile networks
    • List of terrestrial trunk radio mobile country codes
    • List of Mobile Country or Geographical Area Codes
    • Mobile Network Code (MNC) for the international identification plan for mobile terminals and mobile users
    • List of Issuer Identifier Numbers for the International Telecommunication Charge Card
    • List of Data Network Identification Codes (DNIC)
    • List of Data Country or Geographical Area Codes
    • Various tones used in national networks
    • List of Country or Geographical Area Codes for non standard facilities in telematic services
    • List of telegram destination indicators
    • List of Names of Administration Management Domains (ADMD)
    • List of Telex Destination Codes (TDC) and Telex Network Identification Codes (TNIC)
    • Five-letter Code Groups for the use of the International Public Telegram Service
Recognized Operating Agencies (ROAs)
The status of Recognized Operating Agency (ROA) is used within certain ITU-T Recommendations, e.g. E.118, E.164.1, E.169.1, E.169.2, E.212, Q.708, X.121 as a criterion regarding assignment of international numbering resources. Such a list would assist in the administration of international numbering resources and would facilitate the exchange of information between ROAs, for example, on numbering changes.
Universal Numbers
Universal Numbers (UIFN, UIPRN, UISCN, ITU IND AESA)

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Miscellaneous Numbering Topics

 

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Updated : 2009-12-10