| Code | Name | Region |
|---|---|---|
| GBHTL | Huntly | ABD |
| GBHUO | Hunton | NYK |
| GBHUN | Hunwick | DUR |
| GBURY | Hurley | WAR |
| GBHUE | Hurley | WNM |
| GBHLF | Hurlford | EAY |
| GBHOV | Housa Voe, Papa Stour | ZET |
| GBHUT | Houton | ORK |
| GBHEV | Hove | ESX |
| GBHVM | Hoveringham | NTT |
| GBNFK | Hoverton | NFK |
| GBHVT | Hoveton | NFK |
| GBHV9 | Hovingham | NYK |
| GBHWD | How | CMA |
| GBWXD | Howden | ERY |
| GBXHN | Howden Le Wear | DUR |
| GBHDD | Howdendyke | ERY |
| GBHOJ | Howdon | STY |
| GBHWV | Howwood | RFW |
| GBH7T | Hoxton | HCK |
| GBHYO | Hoy | ORK |
| GBHYL | Hoylake | WRL |
| GBHCE | Hucclecote | GLS |
| GBHKL | Hucknall | NTT |
| GBHDF | Huddersfield | KIR |
| GBHWZ | Hugh Town | CON |
| GBHOY | Hornsey | HRY |
| GBHOB | Horrabridge | DEV |
| GBHSF | Horsforth | LDS |
| GBHOH | Horsham | WSX |
| GBHRS | Horsmonden | KEN |
| GBZBM | Horton | DOR |
| GBHOT | Horton | WNM |
| GBHHT | Horton Heath | HAM |
| GBHIH | Horwich | BOL |
| GBHOS | Hoswick | ZET |
| GBHXO | Hoton | LEC |
| GBHGX | Hougham | LIN |
| GBHGY | Hougharry And Loch Eport | ELS |
| GBHOG | Houghton | CAM |
| GBHUG | Houghton | HAM |
| GBHLS | Houghton Le Spring | SND |
| GBHGR | Houghton Regis | CBF |
| GBHPT | Hound Point | FIF |
| GBHOU | Hounslow | HNS |
| GBHWG | Hounslow Green | ESX |
| GBIHO | Hooke | DOR |
| GBHKD | Hookwood | SRY |
| GBHOZ | Hoole | CHW |
| GBHOX | Hooton | CAM |