| Locality | Post Code |
|---|---|
| Staploe | PE19 |
| Stevington | MK43 |
| Stewartby | MK43 |
| Swineshead | MK44 |
| Thurleigh | MK44 |
| Turvey | MK43 |
| Upper Dean | PE28 |
| Upper Staploe | PE19 |
| West End | MK43 |
| Wilden | MK44 |
| Willington | MK44 |
| Wilstead | MK45 |
| Wixams | MK42 |
| Woburn Road Industrial Estate | MK42 |
| Wootton | MK43 |
| Wyboston | MK44 |
| Wymington | NN10 |
| Yielden | MK44 |