The 01707 phone code covers the Welwyn Garden City area, the previous BT Area was Colney Heath (01727).
Phone numbers using this code are in the form of (01707) ### ###.
International callers should call +44 1707 ######.
The centre of the phone code area has a latitude of 51.832802 and longitude of -0.212348.
The nearest other phone codes are: Welwyn Garden City (01707) Stevenage (01438) St Albans (01727) Ware (01920) Hitchin (01462)