| Code | Name | Region |
|---|---|---|
| GBLDO | Llandudno | GWN |
| GBLJC | Llandudno Junction | CWY |
| GBLDB | Llandybie | CMN |
| GBXLN | Llandyrnog | DEN |
| GBLYU | Llandysul | CGN |
| GBLLN | Llanelli | CMN |
| GBLSR | Little Somborne | HAM |
| GBLTK | Little Thurrock | ESS |
| GBLWD | Little Walden | ESS |
| GBLWH | Little Walsingham | NFK |
| GBWGO | Little Weighton | ERY |
| GBLWI | Little Witley | WOR |
| GBLLB | Littleborough | RCH |
| GBLLU | Littlebourne | KEN |
| GBLTL | Littlebrook | KEN |
| GBLIT | Littlehampton | WSX |
| GBLLP | Littleport | CAM |
| GBLJN | Littleton | |
| GBLTO | Litton | DBY |
| GBLIV | Liverpool | LIV |
| GBLIB | Liverpool Bay Terminal | |
| GBLVS | Liversedge | KIR |
| GBEVL | Liverton | RCC |
| GBTON | Livingston | WLN |
| GBLZD | Lizard | CON |
| GBLAB | Llanaber | GWN |
| GBLAD | Little Addington | NTH |
| GBLBO | Little Brampton | SHR |
| GBLBT | Little Budworth | CHW |
| GBLLC | Little Carlton | LIN |
| GBBYU | Little Chalfont | BKM |
| GBLTE | Little Eaton | DBY |
| GBLGD | Little Gransden | CAM |
| GBLLH | Little Hadham | HRT |
| GBLHL | Little Hallingbury | ESS |
| GBLHV | Little Haven | PEM |
| GBLHH | Little Heath | COV |
| GBLLR | Little Horsted | ESX |
| GBLHG | Little Houghton | BNS |
| GBLHT | Little Hulton | SLF |
| GBLKM | Little Kimble | BKM |
| GBLLV | Little Lever | BOL |
| GBLLM | Little Milton | OXF |
| GBLOK | Little Oakley | ESS |
| GBLIK | Little Oakley | NTH |
| GBLIR | Little Rissington | GLS |
| GBLFD | Limpsfield | SRY |
| GBLCN | Lincoln | LIN |
| GBLDI | Lindfield | WSX |
| GBLNF | Lingfield | SRY |