How to Call London from Paris: Dialing Codes Explained

To call a London landline from Paris:

1. Exit code (France): 00
2. Country code (UK): 44
3. Area code (London): 20 (omit the leading '0' used domestically)
4. Local number

Format: 00 44 20 XXXX XXXX

Example: Harrods department store: 00 44 20 7225 6801.

Mobile numbers follow the same pattern but use UK mobile prefixes (e.g., 7xxx).