| Code | Name | Region |
|---|---|---|
| GBOOT | Hooton | CHW |
| GBHQP | Hope | DBY |
| GBHPE | Hope | FLN |
| GBOPE | Hope | FLN |
| GBHPC | Hope Cove | DEV |
| GBHOP | Hopeman | MRY |
| GBHRA | Horam | ESX |
| GBHRB | Horbury | WKF |
| GBHRY | Horley | SRY |
| GBXHO | Horncastle | LIN |
| GBHRC | Hornchurch | HAV |
| GBHOR | Horndean | HAM |
| GBHDT | Horndon On The Hill | ESS |
| GBHNE | Horne | SRY |
| GBHGS | Horningsea | CAM |
| GBHRZ | Hornsea | ERY |
| GBHTX | Holton | SFK |
| GBHCA | Holton Le Clay | LIN |
| GBHYI | Holy Island | NBL |
| GBHLO | Holy Loch | AGB |
| GBHLY | Holyhead | GWN |
| GBHYP | Holyport | WNM |
| GBOYT | Holytown | NLK |
| GBOYW | Holywell | CON |
| GBHWL | Holywell | FLN |
| GBOLY | Holywood | DGY |
| GBYLW | Holywood | DOW |
| GBOMR | Homerton | LND |
| GBHBO | Honeybourne | WOR |
| GBHIN | Honiton | |
| GBONL | Honley | ERY |
| GBHOO | Hoo | KEN |
| GBHOE | Hooe | |
| GBOOK | Hook | HAM |
| GBHOK | Hook | LIN |
| GBHKT | Hook Norton | OXF |
| GBHRH | Holborough | KEN |
| GBHBX | Holbury | HAM |
| GBHHN | Holehaven | |
| GBHOF | Holford | SOM |
| GBHDS | Holland On Sea | ESS |
| GBHOI | Hollington | ESX |
| GBHLI | Hollingworth | LEC |
| GBHOM | Holm | ORK |
| GBHME | Holme | CMA |
| GBHCH | Holme Chapel | LAN |
| GBHSM | Holme Upon Spalding Moor | ERY |
| GBHLC | Holmes Chapel | CHE |
| GBHOD | Holmeswood | LAN |
| GBHMD | Holmewood | DBY |