| Code | Name | Region |
|---|---|---|
| GBXDY | Denaby | ROT |
| GBDBI | Denbigh | DEN |
| GBDEB | Denby | DBY |
| GBXBY | Denby Dale | KIR |
| GBDHM | Denham | BKM |
| GBDNH | Denholme | BRD |
| GBDRL | Darlington | DUR |
| GBDRQ | Darlton | NTT |
| GBZBA | Darnall | SHF |
| GBZBB | Darsham | SFK |
| GBDFD | Dartford | KEN |
| GBDTG | Dartington | |
| GBDTM | Dartmouth | |
| GBDTO | Darton | BNS |
| GBZBC | Darvel | EAY |
| GBDWN | Darwen | LAN |
| GBDAT | Datchet | WNM |
| GBDAV | Davenham | |
| GBDVT | Davenport | MAN |
| GBDVY | Daventry | NTH |
| GBDSV | Davidstow | CON |
| GBDAW | Dawley | TFW |
| GBWLH | Dawlish | DEV |
| GBDYF | Daylesford | GLS |
| GBDEX | Deal | KEN |
| GBDNQ | Dean Quarry | CON |
| GBDAG | Dagenham | BDG |
| GBDSI | Dairsie | FIF |
| GBDIG | Dalbeattie | DGY |
| GBDOS | Dale Roads | |
| GBDYB | Dalgety Bay | FIF |
| GBDLK | Dalkeith | MLN |
| GBET2 | Dalmellington | EAY |
| GBDMR | Dalmuir | RFW |
| GBDLX | Dalry | EDH |
| GBDLT | Dalston | CMA |
| GBDLS | Dalston | HCK |
| GBZAY | Dalton | NYK |
| GBDAL | Dalton In Furness | CMA |
| GBDWI | Dalwhinnie | HLD |
| GBDNB | Danbury | ESS |
| GBDDH | Danderhall | MLN |
| GBDS2 | Daresbury | HAL |
| GBDGE | Dargate | KEN |
| GBDRS | Darlaston | WLL |
| GBDDE | Darley Dale | DBY |
| GBCMS | Cumbrae Slip, Great Cumbrae | NAY |
| GBCUM | Cumbraes | |
| GBCUJ | Cumbria | NYK |
| GBCMY | Cumnock | EAY |