London Phone Numbers

Fixed Lines

  • +44 20 3847 0649
  • +44 20 0603 4853
  • +44 20 4193 1966
  • +44 20 3647 3622
  • +44 20 3479 2378
  • +44 20 4319 2358
  • +44 20 0782 5303
  • +44 20 3864 8769
  • +44 20 3847 6826
  • +44 20 7441 3339

Mobile Lines

  • +44 7911 070558
  • +44 7382 708913
  • +44 7700 131830
  • +44 7936 717881
  • +44 7457 877472
  • +44 7264 834420
  • +44 7457 836399
  • +44 7457 861515
  • +44 7700 133785
  • +44 7472 915107

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.