| Code | Name | Region |
|---|---|---|
| GBKIM | Kimmeridge | DOR |
| GBKMT | Kimpton | HAM |
| GBKIA | Kinbrace | HLD |
| GBKDE | Kincardine | FIF |
| GBKNE | Kineton | WAR |
| GBKHN | Kinghorn | FIF |
| GBKZO | Kidlington | OXF |
| GBS3R | Kidwelly | CMN |
| GBKLB | Kilbarchan | |
| GBXKI | Kilbirnie | NAY |
| GBKIL | Kilbride | AGB |
| GBKBN | Kilburn | BEN |
| GBKCH | Kilchiaran | AGB |
| GBKOA | Kilchoan | HLD |
| GBKIC | Kilcreggan | AGB |
| GBKLY | Kilgetty | PEM |
| GBKRA | Kilkardy | FIF |
| GBKLK | Kilkeel | NYM |
| GBDKH | Killamarsh | DBY |
| GBKRN | Killearn | STG |
| GBKL3 | Killichonan | PKN |
| GBKHY | Killinchy | MUL |
| GBKLL | Killinghall | NYK |
| GBKGH | Killingholme | LIN |
| GBKWR | Killingworth | NTY |
| GBKIO | Killough | DOW |
| GBKNT | Kenton | SFK |
| GBKRY | Keresley | COV |
| GBKGA | Kesgrave | SFK |
| GBKSH | Kesh | FER |
| GBKST | Keston | LND |
| GBKWC | Keswick | CMA |
| GBKEK | Keswick | NFK |
| GBKTR | Kettering | NTH |
| GBKRH | Ketteringham | LEC |
| GBKTT | Ketteringham | NFK |
| GBSF3 | Kettleburgh | SFK |
| GBKTE | Kettlethorpe | LIN |
| GBKET | Kettletoft, Sanday | ORK |
| GBKEW | Kew | RIC |
| GBKEV | Keyhaven | HAM |
| GBKEY | Keymer | WSX |
| GBKYS | Keynsham | BAS |
| GBKYW | Keyworth | NGM |
| GBKHC | Kibworth Harcourt | LEC |
| GBKDM | Kidderminster | WOR |
| GBKHT | Kempshott | HAM |
| GBZBN | Kempston | BDF |
| GBKEH | Kempston Hardwick | BDF |
| GBKMI | Kemsing | KEN |