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  2. Telephone numbers in the Republic of Ireland - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_the...

    Telephone numbers in Ireland are part of an open numbering plan that allows variations in number length. The Irish format is similar to systems used in many parts of Europe, notably the Netherlands, Sweden, Germany, Belgium and France, where geographical numbers are organised using a logic of large regional prefixes, which are then further subdivided into smaller regions.

  3. List of dialling codes in the Republic of Ireland - Wikipedia

    en.wikipedia.org/wiki/List_of_dialling_codes_in...

    Telephone dialling codes in Ireland. Country code: +353 International call prefix: 00 Trunk prefix: 0. This is a list of telephone dialling codes for the Republic of Ireland. Fixed-line telephone users do not need to dial the dialling code when they are contacting someone else within their own area.

  4. List of telephone country codes - Wikipedia

    en.wikipedia.org/.../List_of_telephone_country_codes

    Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct dialing (IDD). Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's.

  5. Sort code - Wikipedia

    en.wikipedia.org/wiki/Sort_code

    Sort codes for Northern Ireland branches of banks (codes beginning with a '9') were registered with the Irish Payment Services Organization (IPSO) for both Northern Ireland and the Republic of Ireland. These codes are used in the British clearing system and historically in the Irish system. The sort code is usually formatted as three pairs of ...

  6. Telephone numbers in Ireland - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Ireland

    The island of Ireland is divided in two jurisdictions: the Republic of Ireland and Northern Ireland. For the Republic of Ireland, see Telephone numbers in the Republic of Ireland and List of dialling codes in the Republic of Ireland; For Northern Ireland, see Telephone numbers in the United Kingdom and List of dialling codes in the United Kingdom

  7. National conventions for writing telephone numbers - Wikipedia

    en.wikipedia.org/wiki/National_conventions_for...

    Area codes start with a trunk prefix "0" and extend for up to four digits but usually 3; followed by the local phone number of up to seven digits. In industry jargon, these area codes and prefixes are referred to as NDCs (National Dialing Codes). This is the term used by ComReg and technical documents, as they include non-geographic codes ...

  8. Telephone numbers in Europe - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Europe

    Calling codes in Europe. Telephone numbers in Europe are managed by the national telecommunications authorities of each country. Most country codes start with 3 and 4, but some countries that by the Copenhagen criteria are considered part of Europe have country codes starting on numbers most common outside of Europe (e.g. Faroe Islands of Denmark have a code starting on number 2, which is most ...

  9. Calling Name Presentation - Wikipedia

    en.wikipedia.org/wiki/Calling_Name_Presentation

    The terminating carrier performs a database lookup using the caller's phone number to obtain the name information to display with Caller ID. If the data is with another carrier, then the terminating carrier must perform a lookup and pay a small "dip fee" to the carrier hosting the information. [3]