Postcode areas 77 - Offenburg, Lahr, Kehl, Achern, Bühl
- Postcode area 77652 Offenburg
- Postcode area 77654 Offenburg
- Postcode area 77656 Offenburg
- Postcode area 77694 Kehl
- Postcode area 77704 Oberkirch
- Postcode area 77709 Wolfach, Oberwolfach
- Postcode area 77716 Fischerbach, Haslach, Hofstetten
- Postcode area 77723 Gengenbach
- Postcode area 77728 Oppenau
- Postcode area 77731 Willstätt
- Postcode area 77736 Zell am Harmersbach
- Postcode area 77740 Bad Peterstal-Griesbach
- Postcode area 77743 Neuried
- Postcode area 77746 Schutterwald
- Postcode area 77749 Hohberg
- Postcode area 77756 Hausach
- Postcode area 77761 Schiltach
- Postcode area 77767 Appenweier
- Postcode area 77770 Durbach
- Postcode area 77773 Schenkenzell
- Postcode area 77776 Bad Rippoldsau-Schapbach
- Postcode area 77781 Biberach
- Postcode area 77784 Oberharmersbach
- Postcode area 77787 Nordrach
- Postcode area 77790 Steinach
- Postcode area 77791 Berghaupten
- Postcode area 77793 Gutach (Schwarzwaldbahn)
- Postcode area 77794 Lautenbach
- Postcode area 77796 Mühlenbach
- Postcode area 77797 Ohlsbach
- Postcode area 77799 Ortenberg
- Postcode area 77815 Bühl
- Postcode area 77830 Bühlertal
- Postcode area 77833 Ottersweier
- Postcode area 77836 Rheinmünster
- Postcode area 77839 Lichtenau
- Postcode area 77855 Achern (Abweichung Exklaven)
- Postcode area 77866 Rheinau
- Postcode area 77871 Renchen
- Postcode area 77876 Kappelrodeck
- Postcode area 77880 Sasbach
- Postcode area 77883 Ottenhöfen im Schwarzwald
- Postcode area 77886 Lauf
- Postcode area 77887 Sasbachwalden
- Postcode area 77889 Seebach
- Postcode area 77933 Lahr/Schwarzwald
- Postcode area 77948 Friesenheim
- Postcode area 77955 Ettenheim
- Postcode area 77960 Seelbach
- Postcode area 77963 Schwanau
- Postcode area 77966 Kappel-Grafenhausen
- Postcode area 77971 Kippenheim
- Postcode area 77972 Mahlberg
- Postcode area 77974 Meißenheim
- Postcode area 77975 Ringsheim
- Postcode area 77977 Rust
- Postcode area 77978 Schuttertal