| Locality | Postal Code |
|---|---|
| Houghton Conquest | MK45 |
| Houghton Regis | LU5 |
| Hulcote | MK17 |
| Husborne Crawley | MK43 |
| Ickwell | SG18 |
| Ireland | SG17 5QJ, SG17 5QL, SG17 … |
| Kensworth | LU6 |
| Langford | SG18 |
| Leedon | LU7 3LJ |
| Leighton Buzzard | LU7 |
| Lidlington | MK43 |
| Little Billington | LU7 |
| Lower Caldecote | SG18 |
| Lower Stondon | SG16 |
| Lower Sundon | LU3 3NZ, LU3 3PA |
| Lower Woodside | LU1 |
| Marston Moretaine | MK43 |
| Maulden | MK45 |
| Meppershall | SG17 |
| Millbrook | MK45 |
| Milton Bryan | MK17 |
| Moggerhanger | MK44 |
| Northill | SG18 |
| Old Warden | SG18 |
| Pegsdon | SG5 |
| Pepperstock | LU1 |