Postcode district boundaries:
|Postcode area name|
|Statistics as at May 2020|
The DT postcode area, also known as the Dorchester postcode area, is a group of eleven postcode districts in South West England, within nine post towns. These cover much of Dorset (including Dorchester, Weymouth, Beaminster, Blandford Forum, Bridport, Lyme Regis, Portland, Sherborne and Sturminster Newton), plus very small parts of Devon and Somerset.
The approximate coverage of the postcode districts:
- "ONS Postcode Directory Version Notes" (ZIP). National Statistics Postcode Products. Office for National Statistics. May 2020. Table 2. Retrieved 19 June 2020. Coordinates from mean of unit postcode points, "Code-Point Open". OS OpenData. Ordnance Survey. February 2012. Retrieved 21 April 2012.
- Royal Mail, Address Management Guide, (2004)