All postcodes in KA11 5
| Postcode | Place | Type |
|---|---|---|
| KA11 5AA | Irvine | street |
| KA11 5AB | Irvine | street |
| KA11 5AE | — | street |
| KA11 5AJ | Shewalton | street |
| KA11 5AL | — | street |
| KA11 5AN | Shewalton | street |
| KA11 5AP | Shewalton | large user |
| KA11 5AR | — | street |
| KA11 5AT | Shewalton | large user |
| KA11 5AU | Shewalton | street |
| KA11 5AW | Shewalton | street |
| KA11 5AX | — | street |
| KA11 5AY | Shewalton | street |
| KA11 5BA | — | street |
| KA11 5BB | — | street |
| KA11 5BF | — | street |
| KA11 5BH | Troon | street |
| KA11 5BJ | Shewalton | street |
| KA11 5BL | Drybridge | street |
| KA11 5BN | — | street |
| KA11 5BQ | — | street |
| KA11 5BS | — | street |
| KA11 5BT | Drybridge | street |
| KA11 5BU | Drybridge | street |
| KA11 5BW | Drybridge | street |
| KA11 5BX | Drybridge | street |
| KA11 5BY | Drybridge | street |
| KA11 5BZ | Drybridge | street |
| KA11 5DA | Shewalton | street |
| KA11 5DB | Shewalton | street |
| KA11 5DD | Shewalton | street |
| KA11 5DE | Shewalton | street |
| KA11 5DF | Shewalton | street |
| KA11 5DG | Shewalton | street |
| KA11 5DH | Shewalton | street |
| KA11 5DJ | — | street |
| KA11 5DN | — | street |
| KA11 5DP | — | street |