The 01646 phone code area covers the Milford Haven area
Phone numbers using this code are in the form of (01646) xxxxxx
International callers should call +44 1646 xxxxxx
The centre of the phone code area has a latitude of 51.714306 and longitude of -5.042697.
Nearest other phone code: 01437 (Clynderwen, Haverfordwest)