- European Telephony Numbering Space
In the interest in forming a trans-
Europenumbering plan as an option (or future movement) for anyone needing multi-national European telephonepresence, the ITU allocated country calling code+388 as a subdivided, catch-all container for such services. This is designated the European Telephony Numbering Space or ETNS.
It is not yet in operation.
list of country calling codes.
Geographically the +388 "country" code is an
overlayon top of all the pre-existing, state-bounded country codes of the countries in Europe. Among "special" country codes, +388 is unique in that it is both supranational yet geographically bounded (other special codes, such as +881 and freephone+800, are completely international).
Instead of being subdivided geographically as in a typical numbering plan, the ETNS is subdivided by type of service or customer. It is therefore not possible to reverse engineer the location of an owner of an ETNS number based on the characteristics of the phone number. The numbers are also not allocated in blocks to individual carrier companies and are therefore intended to be portable. However, carriers need to have ETNS translation capability, or routing agreement with a carrier that does, in order for its customers to successfully call ETNS numbers.
Specifically, ETNS is only one of a potentially larger set of European "country groups" participating in a shared regional overlay numbering plan. The current country group that comprises the ETNS is given an
identification codeof 3, which comes after the +388 country code.
After the country group identification code, the number space is divided according to service, indicated by a
European Service Identitycode. The current table lists the service designations (country code, identification code, and ESI code) available under ETNS as of this writing:
European Service Identity codes
*Public service application: 3883 1
*Customer service application: 3883 3
*Corporate networks: 3883 5
*Personal numbering: 3883 7
* [http://www.etns.org/ ETNS Registrar]
* [http://www.ero.dk/etns European Radiocommunications Office]
* [http://18.104.22.168/search?q=cache:sV7stXseGSEJ:docbox.etsi.org/UserGroup/Open/Archive/Numbering/etns-presentation.PDF+%22european+service+code%22&hl=en&lr=lang_en ARCOME presentation: "ETNS project and corresponding field trial description"]
* [http://wtng.info/wtng-reg.html#Europewide World Telephone Numbering Guide] 's information about European regional numbering
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