Prefix B1 contains 11 postcode records across 7 mapped localities in United Kingdom.
| Postal Code | Locality / District | Administrative Area | Coordinates |
|---|---|---|---|
| Birmingham | West Midlands · England | 52.4814, -1.8998 | |
| Birmingham | West Midlands · England | 52.4698, -1.8523 | |
| Birmingham | West Midlands · England | 52.4548, -1.8596 | |
| Birmingham | West Midlands · England | 52.4814, -1.8998 | |
| Moseley | West Midlands · England | 52.4469, -1.8882 | |
| Springfield | West Midlands · England | 52.4371, -1.8795 | |
| King's Heath | West Midlands · England | 52.4174, -1.8898 | |
| Chad Valley | West Midlands · England | 52.4623, -1.9212 | |
| Edgbaston | West Midlands · England | 52.4623, -1.9212 | |
| Birmingham | West Midlands · England | 52.4768, -1.9341 | |
| Harborne | West Midlands · England | 52.4585, -1.9573 | |
| Birmingham | West Midlands · England | 52.4814, -1.8998 | |
| Birmingham | West Midlands · England | 52.4814, -1.8998 |
Based on 13 records, 11 postal code values and 7 mapped localities. Coordinate coverage is 100.0%.
| Postal code | Locality | Administrative path | Coordinates |
|---|---|---|---|
| B1 | Birmingham | England / West Midlands | 52.4814, -1.8998 |
| B10 | Birmingham | England / West Midlands | 52.4698, -1.8523 |
| B11 | Birmingham | England / West Midlands | 52.4548, -1.8596 |
| B12 | Birmingham | England / West Midlands | 52.4814, -1.8998 |
| B13 | Moseley | England / West Midlands | 52.4469, -1.8882 |
| B13 | Springfield | England / West Midlands | 52.4371, -1.8795 |