The DL12 9YX postcode was located in County Durham, County Durham postcode town, within North East, England region.
It is now a terminated postcode, it was a Large User postcode introduced in 1995-12 and terminated on 1997-06.
| Name | Type |
|---|---|
| OA21CD | E00105842 |
| LSOA21CD | E01020854 |
| MSOA21CD | E02007022 |
| MSOA21 | Barnard Castle & Upper Teesdale |
| Postcode Area | DL12 |
| Ward | Barnard Castle West |
| LTLA22 | County Durham |
| UTLA22 | County Durham |
| Region | North East |
| Country | England |
| Co-ordinates | [ -1.9252132808214815, 54.544949844942074 ] |