All postcodes in KT12 9
| Postcode | Place | Type |
|---|---|---|
| KT12 9EZ | Walton-on-Thames | large user |
| KT12 9HB | Walton-on-Thames | large user |
| KT12 9HN | Walton-on-Thames | large user |
| KT12 9HT | Walton-on-Thames | large user |
| KT12 9JL | Walton-on-Thames | large user |
| KT12 9JW | Walton-on-Thames | large user |
| KT12 9JZ | Walton-on-Thames | large user |
| KT12 9LA | Walton-on-Thames | large user |
| KT12 9LB | Walton-on-Thames | large user |
| KT12 9LD | Walton-on-Thames | large user |