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