| Code | Name | Region |
|---|---|---|
| GBHWN | Hawarden | FLN |
| GBHWE | Hawes | NYK |
| GBHWC | Hawick | SCB |
| GBHWK | Hawkhurst | KEN |
| GBHKH | Hawksworth | LDS |
| GBHKR | Hawksworth | NTT |
| GBHWW | Hawkwell | ESS |
| GBHWT | Haworth | BRD |
| GBHHO | Hawthorn | WIL |
| GBHWH | Hawthorn Hill | LIN |
| GBYOH | Haxby | YOR |
| GBYMS | Hay Mills | BIR |
| GBHDK | Haydock | SHN |
| GBAYN | Haydon | DOR |
| GBHBD | Haydon Bridge | NBL |
| GBHMI | Hayes | HIL |
| GBHSL | Haslemere | SRY |
| GBHDN | Haslingden | LAN |
| GBHFD | Haslingfield | CAM |
| GBHSG | Haslington | CHE |
| GBHSK | Hassocks | WSX |
| GBHSP | Hassop | DBY |
| GBHNH | Hastingleigh | KEN |
| GBHTG | Hastings | ESX |
| GBHGD | Hastingwood | ESS |
| GBHBU | Hatch Beauchamp | SOM |
| GBHTE | Hatch End | HRW |
| GBHAT | Hatfield | HRT |
| GBZBJ | Hatfield Peverel | ESS |
| GBHTI | Hatherleigh | DEV |
| GBHN2 | Hathern | LEC |
| GBHHS | Hathersage | DBY |
| GBHTR | Hatherton | CHE |
| GBKWH | Hatston | ORK |
| GBHAN | Hatton | DBY |
| GBHTO | Hatton | HIL |
| GBHRT | Harrogate | NYK |
| GBHRO | Harrow | BEN |
| GBHHL | Harrow On The Hill | HRW |
| GBZBI | Harrow Weald | HRW |
| GBHAU | Hartburn | STT |
| GBHTF | Hartfield | ESX |
| GBHAZ | Hartford | CHW |
| GBHRG | Hartington | DBY |
| GBHTB | Hartlebury | WOR |
| GBHTP | Hartlepool | HPL |
| GBYLY | Hartley | CMA |
| GBHWI | Hartley Wintney | HAM |
| GBHPY | Hartpury | GLS |
| GBAHR | Hartshorne | DBY |