London Phone Numbers

Fixed Lines

  • +44 20 4573 8119
  • +44 20 3647 2661
  • +44 20 3647 2309
  • +44 20 3733 1397
  • +44 20 8773 3154
  • +44 20 7000 1613
  • +44 20 3864 7237
  • +44 20 3030 9987
  • +44 20 7101 7901
  • +44 20 7688 4635

Mobile Lines

  • +44 7126 256536
  • +44 7911 828350
  • +44 7206 771493
  • +44 7318 195601
  • +44 7457 918713
  • +44 7457 767803
  • +44 7705 674249
  • +44 7341 614435
  • +44 7457 482681
  • +44 7346 737270

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.