LU postcode area
The LU area holds 7 districts and 6,464 live postcodes; its largest place is Luton.
| District | Live postcodes | Largest place with its centre there |
|---|---|---|
| LU1 | 950 | Luton |
| LU2 | 998 | — |
| LU3 | 836 | Streatley |
| LU4 | 733 | Chalton |
| LU5 | 833 | Toddington |
| LU6 | 712 | Dunstable |
| LU7 | 1,402 | Leighton Buzzard |
Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0. Postcode data is the ONS Postcode Directory, August 2026 edition; counts are live postcodes with a usable location. Northern Ireland postcodes carry a separate licence and are not included; Scotland joins when the site's Scottish coverage does.