Code allocations for the 01991 STD code

Summary

  • Status
    • Protected: 1
  • Operators : 1
  • Latest change : May 2025
Click here for Status definitions
Have you received a call from a number beginning 01991? Get information on a full number beginning 01991, using our full UK number search.
Find out about the location and calling costs for 01991 numbers on our 01991 code page.

This page contains information about which telephone companies the various 01991 numbers are allocated to.

First Digits Status Number Length
01991 Protected N/A