Code allocations for the 01231 STD code

Summary

  • Status
    • Protected: 1
  • Operators : 1
  • Latest change : April 2025
Click here for Status definitions
Have you received a call from a number beginning 01231? Get information on a full number beginning 01231, using our full UK number search.
Find out about the location and calling costs for 01231 numbers on our 01231 code page.

This page contains information about which telephone companies the various 01231 numbers are allocated to.

First Digits Status Number Length
01231 Protected N/A