All postcodes in PH31 4
| Postcode | Place | Type |
|---|---|---|
| PH31 4AD | Roybridge | street |
| PH31 4AE | Roybridge | street |
| PH31 4AF | Roybridge | street |
| PH31 4AG | Roybridge | street |
| PH31 4AH | Bohuntine | street |
| PH31 4AJ | Roybridge | street |
| PH31 4AN | — | street |
| PH31 4AP | — | street |
| PH31 4AQ | Inverroy | street |
| PH31 4AR | — | street |
| PH31 4AS | Roybridge | street |
| PH31 4AW | Achluachrach | street |
| PH31 4WT | — | large user |
Places in sector PH31 4
- Roybridge 6
- Achluachrach 1
- Bohuntine 1
- Inverroy 1