London Phone Numbers

Fixed Lines

  • +44 20 7688 8374
  • +44 20 4202 3295
  • +44 20 1451 4874
  • +44 20 3864 1030
  • +44 20 1378 7301
  • +44 20 3864 8019
  • +44 20 1848 8954
  • +44 20 3847 5489
  • +44 20 3730 1835
  • +44 20 7047 4562

Mobile Lines

  • +44 7911 051349
  • +44 7258 019325
  • +44 7911 266442
  • +44 7457 423071
  • +44 7838 055624
  • +44 7457 883742
  • +44 7299 769603
  • +44 7911 059076
  • +44 7393 783558
  • +44 7911 871493

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.