London Phone Numbers

Fixed Lines

  • +44 20 3864 9248
  • +44 20 7248 2076
  • +44 20 0808 7317
  • +44 20 7956 3854
  • +44 20 1951 6712
  • +44 20 0890 2693
  • +44 20 7460 3996
  • +44 20 0483 2983
  • +44 20 3730 1883
  • +44 20 0701 4263

Mobile Lines

  • +44 7457 544118
  • +44 7700 142046
  • +44 7700 011020
  • +44 7458 237530
  • +44 7529 071619
  • +44 7457 398413
  • +44 7794 660062
  • +44 7700 017367
  • +44 7911 085675
  • +44 7700 086087

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.