The 01689 phone code covers the Orpington area, the previous BT Area was Swanley (01322 and 01959).
Phone numbers using this code are in the form of (01689) ### ###.
International callers should call +44 1689 ######.
The centre of the phone code area has a latitude of 51.374843 and longitude of 0.094214.
The nearest other phone codes are: Orpington (01689) Dartford (01322) Westerham (01959) Sevenoaks (01732) Caterham (01883)