020 Area Code — London, UK

020 is the UK dialling code for London, allocated by Ofcom under the National Telephone Numbering Plan. Our database has tracked 3,531 distinct 020 numbers across 5,907 public lookups.

Quick facts

Top searched 020 numbers

These are the 020 numbers most-looked-up by visitors to our number checker. Click any number to see its full lookup page with risk-level, range holder, and community reports.

Operators serving London

These UK communications providers have been allocated 020 number blocks by Ofcom. The number of blocks per operator gives a rough sense of how widely each provider serves this area.

Common scam patterns reported in London

Categories most-commonly tagged on user-submitted reports for 020 numbers in our community comments.

• scam — 1 report
• legit — 1 report
• unknown — 1 report

Looking up a specific 020 number?

If you have the full 10- or 11-digit number, use our free UK Phone Number Checker to see the Ofcom range holder, risk level, and any community reports for that specific number.