| Code | Name | Region |
|---|---|---|
| DEKIC | Kirchheim | HE |
| DEKAW | Kirchheim | RP |
| DEKNC | Kirchheim Am Neckar | BW |
| DEZXN | Kindelbruck | TH |
| DE89R | Kindenheim | RP |
| DEKBR | Kinderbeuern | RP |
| DEKDI | Kinding | BY |
| DEKDB | Kindsbach | RP |
| DEEI9 | Kinheim | RP |
| DEKPF | Kipfenberg | BY |
| DEKIP | Kippenheim | BW |
| DEA33 | Kirchahorn | BY |
| DEKXN | Kirchanschoeng | BY |
| DECHN | Kirchanschoring | BY |
| DEKRD | Kirchardt | BW |
| DE66F | Kirchbarkau | SH |
| DEKHB | Kirchberg | RP |
| DEKBG | Kirchberg | SN |
| DEKXI | Kirchberg An Der Iller | BW |
| DEKGJ | Kirchberg An Der Jagst | BW |
| DEKBM | Kirchberg An Der Murr | BW |
| DE74S | Kirchbrak | NI |
| DEKDM | Kirchdorf | MV |
| DEKSS | Kessin | MV |
| DEKTS | Kesten | RP |
| DEKTH | Ketsch | BW |
| DEKET | Kettenheim | NW |
| DEJIV | Kettenheim | RP |
| DEZKP | Kettenkamp | NI |
| DE82Y | Kettig | RP |
| DEKT2 | Ketzin | BB |
| DEKED | Keulrod | TH |
| DEKEV | Kevelaer | NW |
| DEKTZ | Kiebitzreihe | SH |
| DEHKR | Kiedrich | HE |
| DEKFN | Kiefersfelden | BY |
| DEKEL | Kiel | SH |
| DECKL | Kiel Canal | SH |
| DEKIA | Kienberg | BY |
| DEKSE | Kierspe | NW |
| DEKBC | Kieselbach | |
| DEKIB | Kieselbronn | BW |
| DEKIE | Kietz | BB |
| DEKEB | Kelsterbach | HE |
| DEKWN | Keltern | BW |
| DEKB7 | Kemberg | ST |
| DES3C | Kemmlitz | SN |
| DEKMH | Kemnath | BY |
| DEKMP | Kempen | NW |
| DEZKE | Kempenich | RP |