Map
General Information
| Postal Area | Birmingham |
| Postcode | B1 3HN |
| User Type | Small (less than 25 items of mail per day) |
| Region | West Midlands |
| Country | England |
| Local authority | Birmingham |
| Introduction Date | 1980-01-01 |
Geographic Information
| Latitude | 52.4861690 |
| Longitude | -1.9127330 |
| Easting | 406023 |
| Northing | 287587 |
| Quality | Within the building of the matched address closest to the postcode mean |