| Postcode | Coverage Area |
| DN14 | Carlton,Eggborough,Goole,Hensall,Howden,Pincheon Green,Rawcliffe,Snaith,Sykehouse,Whitley,Whitley Bridge |
| HU10 | Anlaby,Kirk Ella,West Ella,Willerby |
| HU11 | Bilton |
| HU12 | Hedon,Patrington,Preston |
| HU13 | Hessle |
| HU14 | North Ferriby,Melton,Swanland |
| HU15 | Elloughton-cum-brough,South Cave,Welton |
| HU16 | Cottingham,Eppleworth,Raywell,Skidby |
| HU17 | Beverley,Bishop Burton,Walkington |
| HU18 | Hornsea,Mappleton,Rolston |
| HU19 | Withernsea,Hollym,Holmpton,Out Newton,Rimswell,Waxholme |
| HU20 | High Hunsley,Little Weighton, Low Hunsley,Riplingham |
| YO15 | Bridlington,Bempton,Buckton,Carnaby,Flamborough,Fraisthorpe,Sewerby,Wilsthorpe |
| YO16 | Bridlington,Bempton,Bessingby,Boynton,Buckton,Carnaby,Grindale,Sewerby |
| YO25 | Driffield |
| YO41 | Elvington,Full Sutton,Stamford Bridge,Sutton Upon Derwent,Wilberfoss |
| YO42 | Pocklington,Barmby Moor,Melbourne,Seaton Ross |
| YO43 | Market Weighton,Holme-on-spalding-moor |