Map
General Information
| Postal Area | County Durham |
| Postcode | DL1 1AY |
| User Type | Small (less than 25 items of mail per day) |
| Region | North East |
| Country | England |
| Local authority | Darlington |
| Introduction Date | 2020-01-01 |
| Termination Date | 2020-04-01 |
Geographic Information
| Latitude | 54.5284050 |
| Longitude | -1.5133440 |
| Easting | 431594 |
| Northing | 514899 |
| Quality | Imputed by ONS, by reference to surrounding postcode grid references |