The 01437 phone code covers the Clynderwen / Haverfordwest area.
Phone numbers using this code are in the form of (01437) ### ###.
International callers should call +44 1437 ######.
The centre of the phone code area has a latitude of 51.847174 and longitude of -4.829150.
The nearest other phone codes are: Clynderwen, Haverfordwest (01437) Narberth (01834) Fishguard (01348) Milford Haven (01646) St Clears (01994)