The 01420 phone code covers the Alton area.
Phone numbers using this code are in the form of (01420) ### ###.
International callers should call +44 1420 ######.
The centre of the phone code area has a latitude of 51.150719 and longitude of -0.973177.
The nearest other phone codes are: Alton (01420) Basingstoke (01256) Petersfield (01730) Aldershot (01252) Haslemere (01428)