| Code | Name | Region |
|---|---|---|
| GBWXN | Willaston | CHW |
| GBWII | Willen | BKM |
| GBWLL | Willenhall | WLL |
| GBWIY | Willersey | WOR |
| GBESD | Willesden | BEN |
| GBWFR | Willford | NTT |
| GBWPH | Whiteparish | WIL |
| GBWFE | Whitfield | KEN |
| GBWHI | Whitland | CMN |
| GBITY | Whitley | NYK |
| GBWTL | Whitley Bay | NTY |
| GBW4E | Whitleybridge | NYK |
| GBWMI | Whitminster | GLS |
| GBYNT | Whitney | HEF |
| GBWGG | Whitrigg | CMA |
| GBWTS | Whitstable | KEN |
| GBWTX | Whittlesey | CAM |
| GBWTF | Whittlesford | CAM |
| GBWHT | Whitton | NBL |
| GBZDI | Whitwell | IOW |
| GBWWI | Whitwick | LEC |
| GBWWX | Whitwood | WKF |
| GBWWV | Whitworth | LAN |
| GBWYL | Whyteleafe | SRY |
| GBWIC | Wick | HLD |
| GBWCK | Wick | SGC |
| GBWBU | Whitburn | WLN |
| GBWTB | Whitby | NYK |
| GBWCC | Whitchurch | CRF |
| GBWTC | Whitchurch | HAM |
| GBWHC | Whitchurch | SHR |
| GBWCU | Whitchurch | SOM |
| GBWCB | Whitcombe | DOR |
| GBWDG | White Bridge | HLD |
| GBWPN | White Hill Point | NET |
| GBWAS | White Ladies Aston | WOR |
| GBWWM | White Waltham | WNM |
| GBWHB | Whitebooth Roads | |
| GBWC8 | Whitechapel | TWH |
| GBGTF | Whitefield | BUR |
| GBWHL | Whitehall Village, Stronsay | ORK |
| GBWHV | Whitehaven | CMA |
| GBWHE | Whitehead | CKF |
| GBHTS | Whitehills | ABD |
| GBWHJ | Whiteinch/glasgow | GLG |
| GBWEI | Whiteley | HAM |
| GBWHM | Wetherden | SFK |
| GBRWS | Wetheringsett | SFK |
| GBWHF | Wethersfield | ESS |
| GBWYO | Weybourne | NFK |