GotMyNumber

London phone numbers start 020

London is in Greater London, and its landline numbers begin 020.

An 020 number does not prove the caller is in London

239 phone companies hold 020 ranges, a number keeps its code when it moves provider, and caller ID can be faked outright. The code tells you which exchange the range was allocated to - nothing about who dialled.

Area code
020
Administrative area
Greater London
Nation
England
Population
8,799,728
This town
The place 020 is named after
Phone companies holding ranges
239
Also within range of
01689, 01992, 01708, 01895, 01923, 01322, 01959, 01737

Numbers reported on 020

People have reported these 020 numbers to this site. The reports are unchecked and we have not verified any of them. A report is one person's account, not a finding.

See all 38 reported 020 numbers

Other places on 020

020 covers more than London. A call showing this code could have been allocated to a range at any of these exchanges.

Codes near London

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Area code and range data from Ofcom's published allocations, downloaded 1 October 2026. Town locations, populations and administrative areas from Wikidata (CC0), joined 1 October 2026 - towns within 40 km of the exchange. Reports are from visitors to this site and are unchecked. Browse every town A-Z.