| Code | Name | Region |
|---|---|---|
| GBHLH | Hetton Le Hole | SND |
| GBHVG | Hevingham | NFK |
| GBHXH | Hexham | NBL |
| GBHXT | Hexton | HRT |
| GBHYR | Heybridge | |
| GBHYM | Heysham | LAN |
| GBHTY | Heytesbury | WIL |
| GBHYW | Heywood | RCH |
| GBDSX | Hibaldstow | NLN |
| GBHGA | High Ackworth | WKF |
| GBHBE | High Bentham | NYK |
| GBHGC | High Ercall | SHR |
| GBHEC | High Ercall | TFW |
| GBHGL | High Halden | KEN |
| GBHHG | High Legh | CHE |
| GBHPK | High Peak | DBY |
| GBHE2 | Hensall | NYK |
| GBRRS | Henstridge | SOM |
| GBHNO | Henton | OXF |
| GBOOW | Henwood | CON |
| GBHAF | Hereford | HEF |
| GBHRI | Heriot | SCB |
| GBHRM | Hermon | PEM |
| GBHRN | Herne Bay | KEN |
| GBXHI | Herriard | HAM |
| GBHIE | Herrington | SND |
| GBHZD | Hersden | KEN |
| GBHSH | Hersham | SRY |
| GBHSX | Herstmonceux | ESX |
| GBHET | Herston | DOR |
| GBHEF | Hertford | HRT |
| GBHSI | Heslington | YOR |
| GBZBK | Hessay | YOR |
| GBHSE | Hessle/hull | KHL |
| GBHBK | Hest Bank | LAN |
| GBHES | Heston | HNS |
| GBHYJ | Helston | CON |
| GBHHE | Hemel Hempstead | HRT |
| GBHEM | Hempstead | NFK |
| GBEMN | Hempton | NFK |
| GBHMY | Hemsby | NFK |
| GBMSL | Hemswell | LIN |
| GBHEH | Hemsworth | WKF |
| GBHYK | Hemyock | DEV |
| GBHDO | Hendon | BNE |
| GBHNN | Hendon | SND |
| GBHNY | Hendy | CMN |
| GBHNF | Henfield | WSX |
| GBHNG | Hengoed | CAY |
| GBXMH | Henham | ESS |