All postcodes in SA31 9
| Postcode | Place | Type |
|---|---|---|
| SA31 9BF | Carmarthen | large user |
| SA31 9BP | Carmarthen | large user |
| SA31 9BU | Carmarthen | large user |
| SA31 9BW | Carmarthen | large user |
| SA31 9BY | Carmarthen | large user |
| SA31 9DL | Carmarthen | large user |
| SA31 9DN | Carmarthen | large user |
| SA31 9DP | Carmarthen | large user |
| SA31 9DQ | Carmarthen | large user |
| SA31 9DR | Carmarthen | large user |
| SA31 9ER | Carmarthen | large user |
| SA31 9FY | Carmarthen | large user |
| SA31 9GA | Carmarthen | large user |
| SA31 9GB | Carmarthen | large user |
| SA31 9GD | — | large user |
| SA31 9GE | — | large user |
| SA31 9SA | Carmarthen | large user |
| SA31 9SB | Carmarthen | large user |
| SA31 9ZZ | — | large user |
Places in sector SA31 9
- Carmarthen 16