WF1 — 9 codes dans 26 localités (Royaume-Uni).
| Code postal | Localité / Quartier | Zone administrative | Coordonnées |
|---|---|---|---|
| Outwood | West Yorkshire · England | 53.7119, -1.5013 | |
| Warmfield | West Yorkshire · England | 53.6822, -1.4323 | |
| Wakefield | West Yorkshire · England | 53.6833, -1.4977 | |
| Allerton Bywater | West Yorkshire · England | 53.7482, -1.372 | |
| Castleford | West Yorkshire · England | 53.7259, -1.3626 | |
| Ledston | West Yorkshire · England | 53.7525, -1.3436 | |
| New Fryston | West Yorkshire · England | 53.7241, -1.3464 | |
| Newton | West Yorkshire · England | 53.7241, -1.3464 | |
| Whitwood | West Yorkshire · England | 53.7241, -1.3464 | |
| Fairburn | North Yorkshire · England | 53.7445, -1.2841 | |
| Knottingley | West Yorkshire · England | 53.7078, -1.2564 | |
| Ferrybridge | West Yorkshire · England | 53.7106, -1.2795 | |
| Cridling Stubbs | North Yorkshire · England | 53.6877, -1.2138 | |
| Brotherton | North Yorkshire · England | 53.7266, -1.271 | |
| Birkin | North Yorkshire · England | 53.7348, -1.2003 | |
| Dewsbury | West Yorkshire · England | 53.6908, -1.6291 | |
| Thornhill | West Yorkshire · England | 53.6667, -1.6333 | |
| Whitley Lower | West Yorkshire · England | 53.6832, -1.6202 | |
| Ravensthorpe | West Yorkshire · England | 53.6787, -1.6608 | |
| Mirfield | West Yorkshire · England | 53.6734, -1.6964 | |
| Upper Hopton | West Yorkshire · England | 53.6734, -1.6964 | |
| Liversedge | West Yorkshire · England | 53.7051, -1.6933 | |
| Roberttown | West Yorkshire · England | 53.6986, -1.7032 | |
| Heckmondwike | West Yorkshire · England | 53.7065, -1.6775 | |
| Batley | West Yorkshire · England | 53.7029, -1.6337 | |
| Birstall Smithies | West Yorkshire · England | 53.7029, -1.6337 |