| Code | Name | Region |
|---|---|---|
| DEMOO | Moosburg | BY |
| DEMBU | Moosburg | BY |
| DEMOC | Moosburg Bei Bad Buchau | BW |
| DEMXG | Moosinning | BY |
| DEOOH | Moosthenning | BY |
| DEMRA | Moraas | MV |
| DEMRB | Morbach | RP |
| DEMRF | Morfelden | HE |
| DEMWA | Morfelden-walldorf | HE |
| DEZBZ | Moringen | NI |
| DEMOX | Moritz | ST |
| DEMIO | Moritzburg | SN |
| DEMQL | Morlen | RP |
| DEMEB | Morlenbach | HE |
| DEMMM | Mommenheim | RP |
| DEMO3 | Monchberg | BY |
| DEMGL | Monchengladbach | NW |
| DEZBV | Monchenholzhausen | TH |
| DE74G | Monchevahlberg | NI |
| DEMGG | Monchsdeggingen | BY |
| DEMCS | Monchsroth | BY |
| DEMWW | Monchweiler | BW |
| DEMNF | Mondorf | NW |
| DEXMP | Monheim | BY |
| DEMHM | Monheim | NW |
| DE57Q | Monkhagen | SH |
| DE58M | Monkloh | SH |
| DEMOU | Monschau | NW |
| DE83W | Monsheim | RP |
| DEMOM | Monsheim | BW |
| DEMON | Montabaur | RP |
| DENU2 | Monzernheim | RP |
| DEMNZ | Monzingen | RP |
| DEMOD | Moorenweis | BY |
| DENMO | Moellenhagen | BY |
| DEMOS | Moers | NW |
| DEMOG | Mogendorf | RP |
| DEMGW | Mogglingen | BW |
| DEMLN | Moglingen | BW |
| DEZCB | Moglingen | BW |
| DEMH3 | Mohlsdorf | TH |
| DEMNS | Mohnesee | NW |
| DEMNN | Mohnsen | SH |
| DEMHF | Mohrendorf | BY |
| DE4MO | Mohringen | BW |
| DEMDS | Mohsdorf | SN |
| DEMSA | Moisall | MV |
| DE76M | Molbergen | NI |
| DE69H | Molfsee | SH |
| DEMOE | Molln | SH |