| Code | Name | Region |
|---|---|---|
| DEKRW | Kritzow | MV |
| DE66V | Krokau | SH |
| DEKDR | Kromsdorf | TH |
| DEKRO | Kronach | BY |
| DEKOU | Kronau | BW |
| DEKRG | Kronberg | HE |
| DEKUG | Kronburg | BY |
| DEKPG | Kronprinzenkoog | SH |
| DEKNS | Kronshagen | SH |
| DEKR9 | Kronskamp | MV |
| DE72Z | Kropp | SH |
| DERPH | Kroppach | RP |
| DE54G | Kroppelshagen-fahrendorf | SH |
| DEKB9 | Kreimbach | RP |
| DEKU5 | Kreimbach-kaulbach | RP |
| DEKNT | Kreinitz | SN |
| DEBS9 | Kreis Stade | SH |
| DEKSC | Kreischa | SN |
| DEKMM | Kremmen | BB |
| DE67P | Krempdorf | SH |
| DEKPL | Krempe (holst) | SH |
| DE67X | Kremperheide | SH |
| DEKMS | Krems Ii | SH |
| DEKGZ | Kressberg | BW |
| DEKAB | Kressbronn Am Bodensee | BW |
| DEKT8 | Krettnach | RP |
| DEREZ | Kretz | RP |
| DEKZS | Kretzschau | ST |
| DEKYN | Kreuth | BY |
| DEKZU | Kreuzau | NW |
| DEKZF | Kreuzfeld | SH |
| DEKRL | Kreuztal | NW |
| DEKWM | Kreuzwertheim | BY |
| DEKFF | Kraftsdorf | TH |
| DEKRR | Kraiburg Am Inn | BY |
| DEKIL | Kraichtal | BW |
| DEKIG | Krailling | BY |
| DEKWS | Krakow Am See | MV |
| DEKMF | Krampfer | BB |
| DEKNG | Kranenburg | NW |
| DEKHF | Kranichfeld | TH |
| DEKZB | Kranzberg | BY |
| DEKRH | Krauchenwies | BW |
| DEKWZ | Krauschwitz | SN |
| DEKRJ | Krausenbach | BY |
| DEKGS | Krausnick | BB |
| DEKRZ | Krauthausen | TH |
| DEKRM | Krautheim | BW |
| DEKRA | Krautsand | NI |
| DEKNU | Kreba-neudorf | SN |