020 London area code

020 is the telephone area code for London. The eight digits after 020 form the local number; 0203, 0207 and 0208 are not separate London area codes.

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What the prefix tells you

Number type: Geographic
Numbering area: London
Format: 020 xxxx xxxx

The initial local digit does not reliably identify a London neighbourhood. Businesses can use a geographic number while handling calls elsewhere.

How much does it cost to call?

Calls to 01 and 02 numbers are normally covered by inclusive geographic-call allowances. Outside an allowance, your provider sets the charge.

These are UK call-cost rules, not a quote for your individual plan. Check your provider’s tariff and any roaming terms before calling.

Reports for numbers beginning 020

020 8904 3028 · 1 public report
020 8423 1454 · 2 public reports
020 7466 3473 · 1 public report
020 4613 0858 · 1 public report
020 3337 2234 · 1 public report

Sources and limits

Ofcom copyright: UK numbering data, call costs guide and geographic area-code directory. Reference text checked 12 October 2026. Geographic labels were retrieved from Ofcom on 12 October 2026.

Allocation records identify number blocks, not private subscribers. Porting and caller ID spoofing mean the prefix cannot prove the current network, caller’s identity or physical location.