| Ort | PLZ | Bundesland |
|---|---|---|
| Olbernhau | 09526 | SN |
| Olbersdorf | 02785 | SN |
| Olching | 82140 | BY |
| Oldenborstel | 25560 | SH |
| Oldenburg | 26121–26135 | NI |
| Oldenburg in Holstein | 23758 | SH |
| Oldenbüttel | 25557 | SH |
| Oldendorf (Holstein) | 25588 | SH |
| Oldendorf (Kreis Stade) | 21726 | NI |
| Oldendorf (Luhe) | 21385 | NI |
| Oldenhütten | 24793 | SH |
| Oldenswort | 25870 | SH |
| Oldersbek | 25873 | SH |
| Olderup | 25860 | SH |
| Oldsum | 25938 | SH |
| Olfen | 59399 | NW |
| Ollendorf | 99198 | TH |
| Ollmuth | 54316 | RP |
| Olmscheid | 54689 | RP |
| Olpe | 57462 | NW |
| Olsberg | 59939 | NW |
Übersicht der Verteilung
