London Phone Numbers

Fixed Lines

  • +44 20 0087 7320
  • +44 20 4804 7006
  • +44 20 0692 0029
  • +44 20 3847 5325
  • +44 20 7904 8604
  • +44 20 0691 8324
  • +44 20 0742 4450
  • +44 20 3638 5817
  • +44 20 0159 0764
  • +44 20 0974 6567

Mobile Lines

  • +44 7700 127581
  • +44 7386 340351
  • +44 7457 921238
  • +44 7436 300931
  • +44 7911 271247
  • +44 7732 980132
  • +44 7700 187856
  • +44 7164 846000
  • +44 7236 908119
  • +44 7345 607863

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.