About 020 phone numbers

    London Geographic • Learn what 020 phone numbers are used for, see trending London calls, and what to do if you receive an unexpected call.

    What are 020 numbers?

    020 numbers are geographic landline numbers allocated to the London area. These numbers are typically used by businesses, government offices, and residential properties in Greater London. Calls to 020 numbers from UK landlines and mobiles are usually included in standard call packages.

    What people commonly report

    Numbers using this prefix are often associated with business calls, sales enquiries, and government or council services. Some users report receiving unsolicited calls from London-based numbers, though many are legitimate businesses.

    Trending 020 numbers

    No recent activity for this prefix yet.

    What to do if you're unsure

    • 1.Don't answer calls from numbers you don't recognise. Legitimate callers will usually leave a voicemail.
    • 2.Never give out personal or financial information to unsolicited callers.
    • 3.Search the number on CheckItFirst to see what others have reported.
    • 4.Report suspicious calls to Action Fraud (0300 123 2040) if you believe you've been targeted by a scam.