what is northern ireland telephone numbers?Advertisement
Numbers on the Irish Telephone Numbering Plan are regulated and assigned to operators by Comreg. Contents 1 Overview and history 2 Geographically assigned 3 Mobile services 3.1 Direct-to-voicemail 4 Unused 4.1 Defunct/historical 4.2 Reserved 5 Special numbers 6 Operator services 7 Basic Call ... - read more
The UK telephone numbering plan, also known as the National Telephone Numbering Plan, is the system used for assigning telephone numbers in the United Kingdom and its Crown dependencies. - read more
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