DL1 is in the county of Durham. It contains the town of Darlington, as well as Haughton le Skerne, Firth Moor, Whinfield, Coatham Mundeville, and Eastbourne. DL1 is 28km south of the city of Durham. DL1 is a postcode district, also known as an outcode or outbound code.
The below map shows where DL1 is, and the boundary of the DL1 postcode district:
Postal Boundaries © GEOLYTIX copyright and database right 2012
DL1 is in the county of Durham.
| Darlington | Town |
| Haughton le Skerne | Suburb |
| Firth Moor | Suburb |
| Whinfield | Suburb |
| Coatham Mundeville | Village |
| Eastbourne | Suburb |
| Skerne Park | Suburb |
| Red Hall | Suburb |
| Beaumont Hill | Village |
| Bank Top | Suburb |
| Brafferton | Village |
| Great Burdon | Suburb |
| Barmpton | Hamlet |
| Albert Hill | Suburb |
| Newton Ketton | Hamlet |
Position of DL1 relative to nearby towns. Distance is measured from the centre of DL1 to the centre of the town.
Position of DL1 relative to nearby cities. Distance is measured from the centre of DL1 to the centre of the city.