Postcode areas 42XXX
- Postcode area 42103 Wuppertal
- Postcode area 42105 Wuppertal
- Postcode area 42107 Wuppertal
- Postcode area 42109 Wuppertal
- Postcode area 42111 Wuppertal
- Postcode area 42113 Wuppertal
- Postcode area 42115 Wuppertal
- Postcode area 42117 Wuppertal
- Postcode area 42119 Wuppertal
- Postcode area 42275 Wuppertal
- Postcode area 42277 Wuppertal
- Postcode area 42279 Wuppertal
- Postcode area 42281 Wuppertal
- Postcode area 42283 Wuppertal
- Postcode area 42285 Wuppertal
- Postcode area 42287 Wuppertal
- Postcode area 42289 Wuppertal
- Postcode area 42327 Wuppertal
- Postcode area 42329 Wuppertal
- Postcode area 42349 Wuppertal
- Postcode area 42369 Wuppertal
- Postcode area 42389 Wuppertal
- Postcode area 42399 Wuppertal
- Postcode area 42477 Radevormwald
- Postcode area 42489 Wülfrath
- Postcode area 42499 Hückeswagen
- Postcode area 42549 Velbert
- Postcode area 42551 Velbert
- Postcode area 42553 Velbert
- Postcode area 42555 Velbert
- Postcode area 42579 Heiligenhaus
- Postcode area 42651 Solingen
- Postcode area 42653 Solingen
- Postcode area 42655 Solingen
- Postcode area 42657 Solingen
- Postcode area 42659 Solingen
- Postcode area 42697 Solingen
- Postcode area 42699 Solingen
- Postcode area 42719 Solingen
- Postcode area 42781 Haan
- Postcode area 42799 Leichlingen
- Postcode area 42853 Remscheid
- Postcode area 42855 Remscheid
- Postcode area 42857 Remscheid
- Postcode area 42859 Remscheid
- Postcode area 42897 Remscheid
- Postcode area 42899 Remscheid
- Postcode area 42929 Wermelskirchen