All postcodes in LL66 0
| Postcode | Place | Type |
|---|---|---|
| LL66 0AA | — | street |
| LL66 0AB | Rhosgoch | street |
| LL66 0AD | Rhosgoch | street |
| LL66 0AE | Rhosgoch | street |
| LL66 0AN | — | street |
| LL66 0AP | — | street |
| LL66 0AR | — | street |
| LL66 0AS | Bodewryd | street |
| LL66 0AT | — | street |
| LL66 0AU | — | street |
| LL66 0AW | — | street |
| LL66 0AX | — | street |
| LL66 0AY | — | street |
| LL66 0BE | Rhosgoch | street |
| LL66 0BG | — | street |
| LL66 0BH | — | street |
| LL66 0BL | Llanbabo | street |
| LL66 0BN | — | street |
| LL66 0BP | — | street |
| LL66 0BW | Llanbabo | street |