Notering byer (11 sted (er)). Velg byen for å se postnummeret (s):
| Ober-Mörlen (1) Ober-Ramstadt (1) Oberaula (1) Obertshausen (1) Oberursel (1) Oberweser (1) | Oestrich-Winkel (1) Offenbach (6) Ortenberg (1) Ottrau (1) Otzberg (1) |
