London Phone Numbers

Fixed Lines

  • +44 20 3468 6806
  • +44 20 4044 3761
  • +44 20 4888 1625
  • +44 20 0200 1739
  • +44 20 7280 8463
  • +44 20 3647 3621
  • +44 20 8191 0116
  • +44 20 4400 1860
  • +44 20 0745 5359
  • +44 20 0290 4958

Mobile Lines

  • +44 7455 275445
  • +44 7325 339461
  • +44 7992 464362
  • +44 7421 102738
  • +44 7457 734433
  • +44 7911 022817
  • +44 7457 327003
  • +44 7700 122398
  • +44 7385 279532
  • +44 7155 122711

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.