Postcode areas 37XXX
- Postcode area 37073 Göttingen
- Postcode area 37075 Göttingen
- Postcode area 37077 Göttingen
- Postcode area 37079 Göttingen
- Postcode area 37081 Göttingen
- Postcode area 37083 Göttingen
- Postcode area 37085 Göttingen
- Postcode area 37115 Duderstadt
- Postcode area 37120 Bovenden
- Postcode area 37124 Rosdorf
- Postcode area 37127 Dransfeld u.a.
- Postcode area 37130 Gleichen
- Postcode area 37133 Friedland
- Postcode area 37136 Seulingen, Waake u.a.
- Postcode area 37139 Adelebsen
- Postcode area 37154 Northeim
- Postcode area 37170 Uslar
- Postcode area 37176 Nörten-Hardenberg
- Postcode area 37181 Hardegsen
- Postcode area 37186 Moringen
- Postcode area 37191 Katlenburg-Lindau
- Postcode area 37194 Bodenfelde, Wahlsburg
- Postcode area 37197 Hattorf
- Postcode area 37199 Wulften
- Postcode area 37213 Witzenhausen
- Postcode area 37214 Witzenhausen
- Postcode area 37215 Witzenhausen
- Postcode area 37216 Witzenhausen, Gutsbezirk
- Postcode area 37217 Witzenhausen
- Postcode area 37218 Witzenhausen
- Postcode area 37235 Hessisch Lichtenau
- Postcode area 37242 Bad Sooden-Allendorf
- Postcode area 37247 Großalmerode
- Postcode area 37249 Neu-Eichenberg
- Postcode area 37269 Eschwege
- Postcode area 37276 Meinhard
- Postcode area 37281 Wanfried
- Postcode area 37284 Waldkappel
- Postcode area 37287 Wehretal
- Postcode area 37290 Meißner
- Postcode area 37293 Herleshausen
- Postcode area 37296 Ringgau
- Postcode area 37297 Berkatal
- Postcode area 37299 Weißenborn
- Postcode area 37308 Heiligenstadt
- Postcode area 37318 Arenshausen, Uder u.a.
- Postcode area 37327 Leinefelde-Worbis, Wingerode, Hausen
- Postcode area 37339 Worbis
- Postcode area 37345 Am Ohmberg, Sonnenstein
- Postcode area 37351 Dingelstädt
- Postcode area 37355 Niederorschel u.a.
- Postcode area 37359 Küllstedt
- Postcode area 37412 Herzberg, Elbingerode, Hörden
- Postcode area 37431 Bad Lauterberg
- Postcode area 37434 Gieboldehausen, Rhumequelle
- Postcode area 37441 Bad Sachsa
- Postcode area 37444 Braunlage
- Postcode area 37445 Walkenried
- Postcode area 37447 Wieda
- Postcode area 37449 Zorge
- Postcode area 37520 Osterode am Harz
- Postcode area 37539 Bad Grund
- Postcode area 37574 Einbeck, Kreiensen
- Postcode area 37581 Bad Gandersheim
- Postcode area 37586 Dassel
- Postcode area 37589 Kalefeld
- Postcode area 37603 Holzminden
- Postcode area 37619 Bodenwerder, Pegestorf, Kirchbrak, Hehlen
- Postcode area 37620 Halle
- Postcode area 37627 Stadtoldendorf u.a.
- Postcode area 37632 Holzen, Eschershausen, Eimen
- Postcode area 37633 Dielmissen
- Postcode area 37635 Lüerdissen
- Postcode area 37639 Bevern
- Postcode area 37640 Golmbach
- Postcode area 37642 Holenberg
- Postcode area 37643 Negenborn
- Postcode area 37647 Brevörde, Polle, Vahlbruch
- Postcode area 37649 Heinsen
- Postcode area 37671 Höxter
- Postcode area 37688 Beverungen
- Postcode area 37691 Boffzen, Derental
- Postcode area 37696 Marienmünster
- Postcode area 37697 Lauenförde
- Postcode area 37699 Fürstenberg