| Code | Name | Region |
|---|---|---|
| GBGDS | Godstone | SRY |
| GBGFO | Goff's Oak | HRT |
| GBGOL | Golborne | WGN |
| GBGCU | Golden Cross | HEF |
| GBGDG | Golders Green | BNE |
| GBGTP | Goldthorpe | BNS |
| GBGLP | Golspie | HLD |
| GBGMS | Gomersal | BRD |
| GBGSH | Gomshall | SRY |
| GBGOI | Goodwick | PEM |
| GBQUG | Goodwood Airport | WSX |
| GBGOO | Goole | ERY |
| GBGON | Gordon | SCB |
| GBGBR | Gorebridge | MLN |
| GBGOF | Gorefield | CAM |
| GBGNG | Goring | OXF |
| GBGLE | Glemsford | SFK |
| GBGLA | Glenarm | ANT |
| GBGVY | Glenavy | ANT |
| GBGBV | Glenbervie | ABD |
| GBGNL | Glenelg | HLD |
| GBGFG | Glenfarg | PKN |
| GBGLF | Glenfield | LEC |
| GBGFN | Glenfinnan | HLD |
| GBGGC | Glengarnock | NAY |
| GBGLC | Glenluce | DGY |
| GBGMA | Glenmallan | AGB |
| GBGNM | Glenmavis | NLK |
| GBGLS | Glenrothes | FIF |
| GBGSA | Glensanda | HLD |
| GBGLG | Glenuig | HLD |
| GBZBD | Glespin | |
| GBGSP | Glossop | DBY |
| GBGLO | Gloucester | GLS |
| GBGYN | Glyn Neath | |
| GBGFY | Glyndyfrdwy | DEN |
| GBGFF | Giffnock | ERW |
| GBGBD | Gilberdyke | ERY |
| GBGDR | Gildersome | LDS |
| GBGI9 | Gilford | NMD |
| GBGLL | Gillingham | DOR |
| GBGIL | Gillingham | MDW |
| GBGSS | Gillmoss | LIV |
| GBILL | Gills | HLD |
| GBGIA | Gilsland | NBL |
| GBGZL | Giltbrook | NTT |
| GBGWR | Gilwern | MON |
| GBGIR | Girvan | SAY |
| GBGBN | Gisburn | LAN |
| GBGCW | Glan Conwy | CWY |