Code allocations for numbers beginning 0234

Summary

  • Status
    • Designated: 10
  • Operators : 1
  • Latest change : August 2026
Click here for Status definitions
Have you received a call from a number beginning 0234? Get information on a full number beginning 0234, using our full UK number search.
Find out about the location and calling costs for 023 numbers on our 023 code page.

This page contains information about which telephone companies the various 0234 numbers are allocated to.

First Digits Status
023 40 Designated
023 41 Designated
023 42 Designated
023 43 Designated
023 44 Designated
023 45 Designated
023 46 Designated
023 47 Designated
023 48 Designated
023 49 Designated