| Code | Name | Region |
|---|---|---|
| CZLNN | Lucany Nad Nisou | |
| CZLGV | Ludgerovice | MO |
| CZLKV | Ludkovice | ZL |
| CZLUL | Luhacovice | |
| CZLNJ | Luka Nad Jihlavou | VY |
| CZLUP | Lukavec U Pacova | 63 |
| CZLUE | Lukavice | KR |
| CZLCC | Lulec | JC |
| CZLUS | Lustenice | |
| CZLUI | Lutin | OL |
| CZLZE | Luze | PA |
| CZLZV | Luzec Nad Vltavou | ST |
| CZLZK | Luzkovice | ZL |
| CZLUA | Luzna | JC |
| CZLIS | Liskova U Nemanic | |
| CZLIV | Lisov | JC |
| CZLIT | Liten | ST |
| CZLCE | Litice | PL |
| CZLTC | Litomerice | |
| CZLMS | Litomysl | |
| CZLTV | Litovel | |
| CZLVV | Litvinov | |
| CZLOB | Lobodice | OL |
| CZLNI | Lochenice | 52 |
| CZLUK | Lochovice | |
| CZLOD | Lodenice | |
| CZLOM | Lomnice Nad Popelkou | |
| CZOLE | Lostice | OL |
| CZLCN | Loucen | 20 |
| CZOOU | Loucna Nad Desnou | OL |
| CZJLE | Loucovice | JC |
| CZLKA | Louka | JM |
| CZLUT | Louka | US |
| CZLOK | Loukov | ST |
| CZLZI | Libeznice | ST |
| CZKLU | Libice Nad Cidlinou | KR |
| CZLBS | Libis | ST |
| CZLBL | Liblice | 20 |
| CZLIC | Libochovany | |
| CZLBI | Libochovice | US |
| CZLIB | Libosovice | KR |
| CZLST | Libstat | LI |
| CZLAB | Libun | KR |
| CZLBN | Libusin | ST |
| CZLCH | Lichkov | |
| CZLIN | Line | PL |
| CZLNY | Liny | 20 |
| CZLPI | Lipa | ZL |
| CZOLU | Lipnik Nad Becvou | OL |
| CZSLC | Lipnik U Hrotovic | ST |