Postcode areas 50XXX
- Postcode area 50126 Bergheim
- Postcode area 50127 Bergheim
- Postcode area 50129 Bergheim
- Postcode area 50169 Kerpen
- Postcode area 50170 Kerpen
- Postcode area 50171 Kerpen
- Postcode area 50181 Bedburg
- Postcode area 50189 Elsdorf
- Postcode area 50226 Frechen
- Postcode area 50259 Pulheim
- Postcode area 50321 Brühl
- Postcode area 50354 Hürth
- Postcode area 50374 Erftstadt
- Postcode area 50389 Wesseling
- Postcode area 50667 Köln
- Postcode area 50668 Köln
- Postcode area 50670 Köln
- Postcode area 50672 Köln
- Postcode area 50674 Köln
- Postcode area 50676 Köln
- Postcode area 50677 Köln
- Postcode area 50678 Köln
- Postcode area 50679 Köln
- Postcode area 50733 Köln
- Postcode area 50735 Köln
- Postcode area 50737 Köln
- Postcode area 50739 Köln
- Postcode area 50765 Köln
- Postcode area 50767 Köln
- Postcode area 50769 Köln
- Postcode area 50823 Köln
- Postcode area 50825 Köln
- Postcode area 50827 Köln
- Postcode area 50829 Köln
- Postcode area 50858 Köln
- Postcode area 50859 Köln
- Postcode area 50931 Köln
- Postcode area 50933 Köln
- Postcode area 50935 Köln
- Postcode area 50937 Köln
- Postcode area 50939 Köln
- Postcode area 50968 Köln
- Postcode area 50969 Köln
- Postcode area 50996 Köln
- Postcode area 50997 Köln
- Postcode area 50999 Köln