All postcodes in LL18 9
| Postcode | Place | Type |
|---|---|---|
| LL18 9EJ | Rhyl | large user |
| LL18 9FF | Rhyl | large user |
| LL18 9GX | Rhyl | large user |
| LL18 9GY | Rhyl | large user |
| LL18 9GZ | Rhyl | large user |
| LL18 9HG | Rhyl | large user |
| LL18 9HH | Rhyl | large user |
| LL18 9HN | Rhyl | large user |
| LL18 9HQ | Rhyl | large user |
| LL18 9HT | Rhyl | large user |
| LL18 9HX | Rhyl | large user |
| LL18 9JJ | Rhyl | large user |
| LL18 9JP | Rhyl | large user |
| LL18 9JR | Rhyl | large user |
| LL18 9JT | Rhyl | large user |
| LL18 9JW | Rhyl | large user |
| LL18 9JZ | Rhyl | large user |
| LL18 9LF | — | large user |
Places in sector LL18 9
- Rhyl 17