What numbering obligations apply to communications providers?
11.1 Where telephone numbers are made available in accordance with the National Telephone Numbering Plan, communications providers will be required only to adopt telephone numbers that have been allocated by Ofcom and only to allocate numbers to subscribers that Ofcom has either allocated to the provider in question or to another person who has subsequently sub-allocated them to the provider. Although these obligations apply to all communications providers, the draft Numbering Plan (www.oftel.gov.uk/publications/numbering/2003/ntnp0303.
