| Code | Name |
|---|---|
| ESWES | Westruther |
| LVWTW | Westwood |
| EMWSTWO | Westwood (Cams) |
| LCWET | Wetheral |
| MYWEH | Wetherby |
| WMWRK | Wetley Rocks |
| WMWET | Wettenhall |
| MYWEW | Wetwang |
| WNWET | Wetwood |
| EAWEY | Weybourne |
| LSWEY | Weybridge |
| STWEYHL | Weyhill |
| STWEYMH | Weymouth |
| MRWHA | Whaley Bridge |
| LCWHA | Whalley |
| NEWH | Whalton |
| EMWHAPL | Whaplode Drove |
| EMWHTTO | Whatton |
| SMWTD | Wheathampstead |
| WWWHEA | Wheathill |
| SMWLY | Wheatley |
| WMWHE | Wheaton Aston |
| MYWHE | Wheldrake |
| NEWK | Whickham |
| WWWDWN | Whiddon Down |
| WWWHIM | Whimple |
| SMWZ | Whipsnade |
| EMWHISS | Whissendine |
| NEWN | Whitburn |
| NEWHY | Whitby |
| SSWHI | Whitchurch (Avon) |
| SMWTC | Whitchurch (Bucks) |
| THWI | Whitchurch (Hants) |
| SWWXC | Whitchurch (S Glam) |
| WNWCH | Whitchurch (Shrops) |
| EAWRD | White Roding |
| NIWBY | Whiteabbey |
| SSWTC | Whitecroft |
| MRWHI | Whitefield |
| WRWHI | Whitehall |
| LCWHI | Whitehaven |
| NIWD | Whitehead |
| NSWHL | Whitehills |
| WSWHI | Whitehouse |
| ESWHK | Whitekirk |
| STWHTLY | WHITELEY |
| STWHPSH | Whiteparish |
| NSWRS | Whiterashes |
| NEWF | Whitfield |
| WSWHH | Whithorn |
