All postcodes in BS20 1
| Postcode | Place | Type |
|---|---|---|
| BS20 1BE | Portishead | large user |
| BS20 1BF | Portishead | large user |
| BS20 1BQ | Portishead | large user |
| BS20 1BS | Portishead | large user |
| BS20 1DL | Portishead | large user |
| BS20 1DP | Portishead | large user |
| BS20 1DR | Portishead | large user |
| BS20 1DU | Portishead | large user |
| BS20 1DY | Portishead | large user |
| BS20 1EG | Portishead | large user |
| BS20 1EH | Portishead | large user |
| BS20 1EP | Portishead | large user |
| BS20 1ER | Portishead | large user |
| BS20 1ET | Portishead | large user |
Places in sector BS20 1
- Portishead 14