Postcode areas 23XXX
- Postcode area 23552 Lübeck
- Postcode area 23554 Lübeck St. Lorenz Nord
- Postcode area 23556 Lübeck
- Postcode area 23558 Lübeck
- Postcode area 23560 Lübeck
- Postcode area 23562 Lübeck
- Postcode area 23564 Lübeck
- Postcode area 23566 Lübeck
- Postcode area 23568 Lübeck Schlutup/St. Gertrud
- Postcode area 23569 Lübeck
- Postcode area 23570 Lübeck
- Postcode area 23611 Bad Schwartau
- Postcode area 23617 Stockelsdorf
- Postcode area 23619 Zarpen
- Postcode area 23623 Ahrensbök
- Postcode area 23626 Ratekau
- Postcode area 23627 Groß Grönau
- Postcode area 23628 Krummesse, Klempau
- Postcode area 23629 Sarkwitz
- Postcode area 23669 Timmendorfer Strand
- Postcode area 23683 Scharbeutz
- Postcode area 23684 Scharbeutz, Süsel
- Postcode area 23689 Pansdorf
- Postcode area 23701 Eutin, Süsel
- Postcode area 23714 Malente, Kirchnüchel
- Postcode area 23715 Bosau
- Postcode area 23717 Kasseedorf
- Postcode area 23719 Glasau
- Postcode area 23730 Neustadt
- Postcode area 23738 Lensahn
- Postcode area 23743 Grömitz
- Postcode area 23744 Schönwalde am Bungsberg
- Postcode area 23746 Kellenhusen
- Postcode area 23747 Dahme
- Postcode area 23749 Grube
- Postcode area 23758 Oldenburg in Holstein
- Postcode area 23769 Fehmarn
- Postcode area 23774 Heiligenhafen
- Postcode area 23775 Großenbrode
- Postcode area 23777 Heringsdorf
- Postcode area 23779 Neukirchen
- Postcode area 23795 Bad Segeberg
- Postcode area 23812 Wahlstedt
- Postcode area 23813 Nehms
- Postcode area 23815 Geschendorf
- Postcode area 23816 Leezen
- Postcode area 23818 Neuengörs
- Postcode area 23820 Pronstorf
- Postcode area 23821 Rohlstorf
- Postcode area 23823 Seedorf
- Postcode area 23824 Tensfeld
- Postcode area 23826 Bark
- Postcode area 23827 Wensin
- Postcode area 23829 Wittenborn
- Postcode area 23843 Bad Oldesloe
- Postcode area 23845 Seth
- Postcode area 23847 Lasbek
- Postcode area 23858 Reinfeld (Holstein)
- Postcode area 23860 Klein Wesenberg
- Postcode area 23863 Bargfeld-Stegen
- Postcode area 23866 Nahe
- Postcode area 23867 Sülfeld
- Postcode area 23869 Elmenhorst
- Postcode area 23879 Mölln
- Postcode area 23881 Breitenfelde, Lankau
- Postcode area 23883 Sterley
- Postcode area 23896 Nusse
- Postcode area 23898 Sandesneben u.a.
- Postcode area 23899 Gudow
- Postcode area 23909 Ratzeburg
- Postcode area 23911 Ziethen
- Postcode area 23919 Berkenthin
- Postcode area 23923 Schönberg
- Postcode area 23936 Grevesmühlen, Stepenitztal, Upahl u.a.
- Postcode area 23942 Dassow
- Postcode area 23946 Boltenhagen
- Postcode area 23948 Klütz
- Postcode area 23966 Wismar, Groß Krankow u.a.
- Postcode area 23968 Barnekow, Gägelow u.a.
- Postcode area 23970 Wismar
- Postcode area 23972 Dorf Mecklenburg, Lübow u.a.
- Postcode area 23974 Neuburg-Steinhausen, Hornstorf
- Postcode area 23992 Neukloster
- Postcode area 23996 Bad Kleinen u.a.
- Postcode area 23999 Insel Poel