| Locality | Post Code |
|---|---|
| Adlingfleet | DN14 |
| Aike | YO25 9BG |
| Airmyn | DN14 |
| Aldbrough | HU11 |
| Allerthorpe | YO42 |
| Anlaby | HU10 |
| Anlaby Common | HU4 |
| Arnold | HU11 |
| Arram | HU17 |
| Asselby | DN14 |
| Atwick | YO25 |
| Aughton | YO42 |
| Bainton | YO25 |
| Balkholme | DN14 |
| Barmby Moor | YO42 |
| Barmby-on-the-Marsh | DN14 |
| Barmston | YO25 |
| Beeford | YO25 |
| Belby | DN14 |
| Bellasize | DN14 7XS |
| Bempton | YO15, YO16 |
| Benningholme | HU11 |
| Bentley | HU17 8PP |
| Bessingby | YO16 4UH |
| Beswick | YO25 |
| Beverley | HU17 |