| Code | Name | Region |
|---|---|---|
| DELA3 | Laaber | BY |
| DELGZ | Laage | MV |
| DE3TH | Laasdorf | TH |
| DEKHJ | Kuhbach | BY |
| DE65D | Kuhren | SH |
| DE66H | Kuhren | SH |
| DEZKN | Kuhren Burkartshain | SN |
| DE55R | Kuhsen | SH |
| DE59X | Kukels | SH |
| DEKKZ | Kulkwitz | SN |
| DEKUD | Kullstedt | TH |
| DEKUL | Kulmbach | BY |
| DE54U | Kulpin | SH |
| DEKIM | Kulsheim | BW |
| DEKLZ | Kulz | BY |
| DEKFD | Kummerfeld | SH |
| DEKUK | Kummersbruck | BY |
| DEKDG | Kummersdorf-gut | BB |
| DEKKU | Kunkemuhle | NI |
| DEKZL | Kunzell | HE |
| DEKUE | Kunzelsau | BW |
| DEKZN | Kunzing | BY |
| DEKFB | Kupferberg | BY |
| DEKPT | Kroppenstedt | ST |
| DEKSL | Kroslin | MV |
| DEKSZ | Krostitz | SN |
| DEKRV | Krov | RP |
| DEKRT | Kruft | RP |
| DE55G | Krukow | SH |
| DEKRU | Krumbach | BY |
| DE66W | Krummbek | SH |
| DEKRB | Krummennaab | BY |
| DE53E | Krummesse | SH |
| DEKMR | Krummhorn | |
| DEKMA | Krumpa | ST |
| DEK2N | Krun | BY |
| DE55H | Kruzen | SH |
| DEKBI | Kuchelmiss | MV |
| DECEN | Kuchen | BW |
| DEKUC | Kuchenheim | NW |
| DEKWE | Kuddeworde | SH |
| DE34H | Kuhardt | RP |
| DEKH2 | Kuhbach | BY |
| DEKBT | Kriebitzsch | TH |
| DEKRS | Kriebstein | SN |
| DEKGU | Kriegenbrunn | BY |
| DEKLP | Krielow | BB |
| DEFT9 | Krieschow | BB |
| DEKRI | Kriftel | HE |
| DEKMW | Kritzmow | MV |