London Phone Numbers

Fixed Lines

  • +44 20 4524 9415
  • +44 20 1896 2450
  • +44 20 8443 5581
  • +44 20 1345 5973
  • +44 20 4208 8052
  • +44 20 0886 7286
  • +44 20 1718 1047
  • +44 20 0308 4737
  • +44 20 7541 0059
  • +44 20 3647 3317

Mobile Lines

  • +44 7454 332502
  • +44 7457 426138
  • +44 7453 409725
  • +44 7700 031898
  • +44 7334 649515
  • +44 7450 693049
  • +44 7255 705955
  • +44 7457 236161
  • +44 7700 027023
  • +44 7990 850890

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.