Map
General Information
| Postal Area | Blackburn with Darwen |
| Postcode | BB1 9LL |
| User Type | Large (more than 25 items of mail per day) |
| Region | North West |
| Country | England |
| Local authority | Ribble Valley |
| Introduction Date | 2004-08-01 |
Geographic Information
| Latitude | 53.7920430 |
| Longitude | -2.4704100 |
| Easting | 369108 |
| Northing | 432960 |
| Quality | Within the building of the matched address closest to the postcode mean |