Ofcom Consumer 2009 09 Telephone Area Codes Tool - Dial - England Phones
Ofcom Consumer 2009 09 Telephone Area Codes Tool - Dial - England Phones
Ofcom Consumer Telephone Area Codes England
Ofcom Consumer Telephone Area Codes 2024 Ofcom UK Urges Industry Progress on Phone Number Porting ISPreview UK
Phone cost confusion putting off callers, Ofcom says BBC.com
Landline users will soon have to enter UK area codes to call local numbers TechRadar
Japan is running out of phone numbers, so it's making longer ones The Verge
