The first one or two letters of a postcode identify its area. Choose a code below to see its districts and local information. This directory includes the UK postcode areas and the three Crown Dependency areas, GY, IM and JE, that use the same postcode system.

One-letter postcode areas

8 area codes, listed alphabetically.

Two-letter postcode areas

116 area codes, listed alphabetically.

A postcode area is broader than a postcode district. For example, the M area contains districts such as M1 and M25. Select an area to browse its districts.