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  1. Standard geographic numbers. Geographic telephone numbers in the UK always have nine or ten digits after the 0 trunk code or +44 international dialling prefix. Four-digit area codes. Four-digit area codes have either six-digit subscriber numbers or a mix of five- and six-digit subscriber numbers. (01xxx) xxx xxx

  2. Telecommunications in the United Kingdom - Wikipedia. Contents. hide. (Top) History. Infrastructure. Domestic trunk infrastructure. International trunks. Broadcast transmission. Fixed phone lines. Digital switchover. Mobile phone networks. First generation networks. First and second generation networks. Third generation networks.

  3. 25 de abr. de 2024 · In the United Kingdom, telephone numbers are administered by the Office of Communications ( Ofcom ). For this purpose, Ofcom established a telephone numbering plan, known as the National Telephone Numbering Plan, which is the system for assigning telephone numbers to subscriber stations. Contents. Structure. Format. Geographic numbers.