The 01603 phone code covers the Norwich area.
Phone numbers using this code are in the form of (01603) ### ###.
International callers should call +44 1603 ######.
The centre of the phone code area has a latitude of 52.630886 and longitude of 1.297355.
The nearest other phone codes are: Norwich (01603) Brooke (01508) Wymondham (01953) Bungay (01986) North Walsham (01692)