| Code | Name | Region |
|---|---|---|
| CZLIP | Lipno | PL |
| CZLIO | Lipov | JM |
| CZZZL | Liptal | ZL |
| CZKKL | Lisice | KR |
| CZLKZ | Lazne Kynzvart | 41 |
| CZL8S | Lazne Tousen | ST |
| CZLEC | Lechovice | |
| CZLED | Ledcice | ST |
| CZLNS | Ledec Nad Sazavou | VY |
| CZLDC | Ledenice | JC |
| CZL4E | Lednice | JM |
| CZLSK | Leskovec | 72 |
| CZJML | Lesonice | JM |
| CZLTN | Lestina | 52 |
| CZLET | Letohrad | PA |
| CZLOE | Letovice | |
| CZLPL | Lhota Pod Libcany | KR |
| CZLHO | Lhotka-nad-becvou | ZL |
| CZLBA | Liban | 52 |
| CZVSK | Libavske Udoli | JC |
| CZLK3 | Libcany | KR |
| CZLBE | Libceves | US |
| CZLCY | Libchavy | PA |
| CZLBR | Liberec | |
| CZKNN | Kunin | MO |
| CZKUN | Kunovice | JM |
| CZKVC | Kunovice | ZL |
| CZKNT | Kunstat | JM |
| CZKMO | Kunstat Na Morave | JM |
| CZKUR | Kurim | |
| CZLKY | Kurivody | LI |
| CZKUH | Kutna Hora | |
| CZZLY | Kvasice | ZL |
| CZKVS | Kvasiny | KR |
| CZKYJ | Kyjov | |
| CZKKA | Kyselka | KA |
| CZKYS | Kyselka U Karlovych Varu | VY |
| CZKSC | Kysice | PL |
| CZLDA | Ladna | JM |
| CZLDV | Ladvi | |
| CZLKR | Lanskroun | PA |
| CZLZH | Lanzhot | |
| CZLBD | Lazne Belohrad | KR |
| CZLBO | Lazne Bohdanec | PA |
| CZKBR | Krelov | OL |
| CZKRC | Krenice | ST |
| CZNOV | Krenovice | JM |
| CZKRE | Kresice | US |
| CZKVA | Krhova | 72 |
| CZPKR | Krimice | PL |