| Code | Name | Region |
|---|---|---|
| DERHH | Rheinbach | NW |
| DERHB | Rheinberg | NW |
| DERBN | Rheinbollen | RP |
| DERBB | Rheinbreitbach | RP |
| DERHL | Rheinbrohl | RP |
| DERHD | Rheindahlen | NW |
| DERHE | Rheine | NW |
| DERFN | Rheinfelden | BW |
| DERNH | Rheinhausen | BW |
| DERHR | Rheinmunster | BW |
| DERRG | Rheinsberg | BB |
| DESHT | Rheinstetten | BW |
| DEZAZ | Rheinzabern | RP |
| DE83D | Rhens | RP |
| DER9T | Rheurdt | NW |
| DERNO | Rennertshofen, Neuburg-schrobenhausen | BY |
| DERNN | Renningen | BW |
| DEZRE | Renzow | MV |
| DERPS | Reppenstedt | NI |
| DERRE | Rerik | MV |
| DERET | Rethem | NI |
| DE67Y | Rethwisch | SH |
| DE56Y | Rethwischdorf | SH |
| DERZB | Rettenbach / Gunzburg | BY |
| DERAA | Rettenbach Am Auerberg | BY |
| DERT2 | Rettenberg | BY |
| DERTS | Rettersen | RP |
| DERYZ | Retzstadt | BY |
| DERRU | Reurieth | TH |
| DERKG | Reussenkoge | SH |
| DEIUT | Reut | BY |
| DERB5 | Reute | BW |
| DEREJ | Reutern, Augsburg | BY |
| DEZRN | Reuterstadt Stavenhagen | MV |
| DEREU | Reutlingen | BW |
| DERKN | Reiskirchen | HE |
| DERUQ | Reistenhausen | BY |
| DERNV | Reit | BY |
| DERIW | Reit Im Winkl | BY |
| DEA37 | Reizendorf | BY |
| DEREK | Reken | NW |
| DEREL | Rellingen | SH |
| DEREM | Remagen | RP |
| DEEMC | Remchingen | BW |
| DERMT | Remda-teichel | TH |
| DERLI | Remlingen | BY |
| DETID | Remptendorf | TH |
| DERED | Remscheid | NW |
| DERNK | Remseck Am Neckar | BW |
| DERHN | Remshalden | BW |