London Phone Numbers

Fixed Lines

  • +44 20 1863 3686
  • +44 20 0588 5063
  • +44 20 4088 1555
  • +44 20 8076 4558
  • +44 20 4353 8511
  • +44 20 0500 2113
  • +44 20 3730 3083
  • +44 20 3847 7093
  • +44 20 7541 7792
  • +44 20 1612 8951

Mobile Lines

  • +44 7700 043507
  • +44 7700 035180
  • +44 7457 371820
  • +44 7911 073752
  • +44 7457 783287
  • +44 7700 023187
  • +44 7700 121815
  • +44 7700 192748
  • +44 7700 010446
  • +44 7457 335750

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.