TADIG code is a number uniquely identifying network operators in a

GSM The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation ( 2G) digital cellular networks used by mobile devices such ...

mobile network. The

acronym An acronym is a word or name formed from the initial components of a longer name or phrase. Acronyms are usually formed from the initial letters of words, as in ''NATO'' (''North Atlantic Treaty Organization''), but sometimes use syllables, as ...

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 The GSM Association (commonly referred to as 'the GSMA' or ''Global System for Mobile Communications'', originally ''Groupe Spécial Mobile'') is an industry organisation that represents the interests of mobile network operators worldwide. More ...

. Network operators are required to register new codes and limit themselves to using code already registered with the GSMA. TADIG codes are generally used by bilateral agreement for the purposes of billing roaming telephone calls.

Format

A TADIG code is 5 characters long, consisting of # Three-character country code. This is usually the

ISO 3166-1 alpha-3 ISO 3166-1 alpha-3 codes are three-letter country codes defined in ISO 3166-1, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), to represent countries, dependent territories, and special areas o ...

code for terrestrial operators. Non-terrestrial operators have the first two characters as AA.

Wi-Fi Wi-Fi () is a family of wireless network protocols, based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio wav ...

operators have the first two characters as WW. # Two-character operator/ company identifier

Example

TADIG code: CANGW (for Freedom Mobile, formerly WIND Mobile) TADIG code: SWE01 (for the Sweden1 bilateral Roaming Hub) TADIG code: USAHI (for

Mobi Mobi or MOBI may refer to: Companies * Mobi (company), an American wireless provider Computing * .mobi, internet top domain name * .mobi, a file extension of the deprecated Mobipocket e-book format People * Mobi Fehr (born 1994), American soc ...

)

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 *

US territories Territories of the United States are sub-national administrative divisions overseen by the federal government of the United States. The various American territories differ from the U.S. states and tribal reservations as they are not sover ...

are not always represented in the

USA The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

* YUG continues to be used as country code by operators in

Montenegro ) , image_map = Europe-Montenegro.svg , map_caption = , image_map2 = , capital = Podgorica , coordinates = , largest_city = capital , official_languages = M ...

and

Serbia Serbia (, ; Serbian: , , ), officially the Republic of Serbia (Serbian: , , ), is a landlocked country in Southeastern and Central Europe, situated at the crossroads of the Pannonian Basin and the Balkans. It shares land borders with Hungar ...

. Each now has its own ISO code, MNE and SRB respectively *

Kosovo Kosovo ( sq, Kosova or ; sr-Cyrl, Косово ), officially the Republic of Kosovo ( sq, Republika e Kosovës, links=no; sr, Република Косово, Republika Kosovo, links=no), is a partially recognised state in Southeast Euro ...

is not recognised as a country within the

ITU The International Telecommunication Union is a specialized agency of the United Nations responsible for many matters related to information and communication technologies. It was established on 17 May 1865 as the International Telegraph Unio ...

. As a placeholder, the value K00 is used to represent the country

References

{{telecom-stub Mobile telecommunications Mobile telecommunications standards