TADIG code

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TADIG code is a number uniquely identifying network operators in a GSM mobile network. The acronym TADIG expands to "Transferred Account Data Interchange Group". According to the GSM specification, the codes are used as "primary identifiers within file contents and file names" in multiple file formats defined by the GSMA. [1] Network operators are required to register new codes and limit themselves to using code already registered with the GSMA. [2]

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Contents

TADIG codes are generally used by bilateral agreement for the purposes of billing roaming telephone calls.

Roaming is a wireless telecommunication term typically used with mobile devices. It refers to the mobile phone being used outside the range of its home network and connects to another available cell network.

Format

A TADIG code is 5 characters long, consisting of

  1. Three-character country code. This is usually the ISO 3166-1 alpha-3 code for terrestrial operators. Non-terrestrial operators have the first two characters as AA. Wi-Fi operators have the first two characters as WW.
  2. Two-character operator/ company identifier

Example

TADIG code: SWE01

Country Code Operator/ Company identifier
SWE (for Sweden) 01

Notable exceptions

The GSMA specification lists the following in their list of "known issues" as discrepancies between codes registered with them against ones actually being used

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References

  1. ↑ GSMA TADIG Code Naming Conventions. Version 10.3 Dt 23 May 2013
  2. ↑ Le Bodic, Gwenaël (2005). Mobile Messaging Technologies and Services: SMS, EMS and MMS. John Wiley & Sons. p. 38. ISBN   9780470014516.
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