UK Area Code Finder
Quick and easy telephone dialling code information
01407 area code
Holyhead numbers
UK area code 01407 covers Holyhead (Caergybi) on the Isle of Anglesey.
Other areas using 01407 numbers include Amlwch, Bodorgan, Cemaes Bay, Gwalchmai, Llanfaethlu, Rhosneigr, Trearddur Bay and Valley.
Number Format
Local telephone numbers are six digits long. An 01407 number should be displayed in the format:
(01407) xxxxxx.