The 01442 phone code covers the Hemel Hempstead area, the previous BT Area was Markyate (01582).
Phone numbers using this code are in the form of (01442) ### ###.
International callers should call +44 1442 ######.
The centre of the phone code area has a latitude of 51.753241 and longitude of -0.448632.
The nearest other phone codes are: Hemel Hempstead (01442) St Albans (01727) Watford (01923) Luton (01582) Welwyn Garden City (01707)