01777 31 Dialing Code

Retford

Dialing Code 01777 31 is part of Area Code 01777, which covers Retford and the surrounding area.

The majority of numbers in the 01777 Area Code belong to normal landlines in Retford, but it is possible that these numbers are being used elsewhere as virtual numbers.

There are multiple telephone companies operating in the 01777 Area Code and they are allocated blocks of numbers, which can be identified by the digits following the Area Code. In this case, the digits 31 after the area code indicate that the range of numbers was originally allocated to VoIP-Un Limited on 5 November 2007, although due to number portability, individual numbers within this range may now be allocated to other operators.

01777 area code information

Area Code: 01777
Location: Retford
Dialing Code: 01777 31
Provider: VoIP-Un Limited
Date range allocated: 5 November 2007
Call Costs: Normal landline rate
Area code required for local calls: No
Local number length: 6
Number format: 01777 31####
International number format: +44 1777 31####
Last code change: April 1995 from 0777.

This page was last updated on 9 August 2023.