London Phone Numbers

Fixed Lines

  • +44 20 4486 5281
  • +44 20 3864 9308
  • +44 20 1855 6983
  • +44 20 7233 9287
  • +44 20 3847 7285
  • +44 20 3041 0515
  • +44 20 4055 5153
  • +44 20 1032 2859
  • +44 20 7118 8253
  • +44 20 3864 1620

Mobile Lines

  • +44 7911 806636
  • +44 7450 592167
  • +44 7522 672950
  • +44 7700 058287
  • +44 7331 097652
  • +44 7528 977152
  • +44 7332 643500
  • +44 7529 556398
  • +44 7113 025427
  • +44 7458 765647

The London area code is +4420 and the calling code forUnited Kingdom is +44. An area code of a region containsthe country code. This means that phone numbers in London start with +4420. The phone number format for London is +44 20 XXXX XXXX.

You can use these phone numbers to compare them with a phone number that your received from someone in London.In this way, you can ensure that the number is valid and from London.

Generate random phone numbers for London and use them to test your validations or show them as an example for users. The users will know how they should type their phone number.For example, if you require the number for a landline in London and the user enters his local number without the prefix 4420 and he doesn't specify area code, then you don't knowif the number is correct.