DT postcode area
The DT area holds 11 districts and 7,945 live postcodes; its largest place is Weymouth.
| District | Live postcodes | Largest place with its centre there |
|---|---|---|
| DT1 | 793 | Dorchester |
| DT2 | 1,140 | Charminster |
| DT3 | 706 | Overcombe |
| DT4 | 997 | Weymouth |
| DT5 | 314 | Portland |
| DT6 | 996 | Bridport |
| DT7 | 284 | Lyme Regis |
| DT8 | 234 | Beaminster |
| DT9 | 913 | Sherborne |
| DT10 | 478 | Manston |
| DT11 | 1,090 | Blandford Forum |
Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0. Postcode data is the ONS Postcode Directory, August 2026 edition; counts are live postcodes with a usable location. Northern Ireland postcodes carry a separate licence and are not included; Scotland joins when the site's Scottish coverage does.