Postcode areas 78XXX
- Postcode area 78048 Villingen-Schwenningen
- Postcode area 78050 Villingen-Schwenningen
- Postcode area 78052 Villingen-Schwenningen
- Postcode area 78054 Villingen-Schwenningen
- Postcode area 78056 Villingen-Schwenningen
- Postcode area 78073 Bad Dürrheim
- Postcode area 78078 Niedereschach
- Postcode area 78083 Dauchingen
- Postcode area 78086 Brigachtal
- Postcode area 78087 Mönchweiler
- Postcode area 78089 Unterkirnach
- Postcode area 78098 Triberg im Schwarzwald
- Postcode area 78112 St. Georgen
- Postcode area 78120 Furtwangen im Schwarzwald
- Postcode area 78126 Königsfeld im Schwarzwald
- Postcode area 78132 Hornberg
- Postcode area 78136 Schonach im Schwarzwald
- Postcode area 78141 Schönwald im Schwarzwald
- Postcode area 78144 Schramberg
- Postcode area 78147 Vöhrenbach
- Postcode area 78148 Gütenbach
- Postcode area 78166 Donaueschingen
- Postcode area 78176 Blumberg
- Postcode area 78183 Hüfingen
- Postcode area 78187 Geisingen
- Postcode area 78194 Immendingen
- Postcode area 78199 Bräunlingen
- Postcode area 78224 Singen
- Postcode area 78234 Engen
- Postcode area 78239 Rielasingen-Worblingen
- Postcode area 78244 Gottmadingen
- Postcode area 78247 Hilzingen
- Postcode area 78250 Tengen
- Postcode area 78253 Eigeltingen
- Postcode area 78256 Steißlingen
- Postcode area 78259 Mühlhausen-Ehingen
- Postcode area 78262 Gailingen am Hochrhein
- Postcode area 78266 Büsingen am Hochrhein
- Postcode area 78267 Aach
- Postcode area 78269 Volkertshausen
- Postcode area 78315 Radolfzell am Bodensee
- Postcode area 78333 Stockach
- Postcode area 78337 Öhningen
- Postcode area 78343 Gaienhofen
- Postcode area 78345 Moos
- Postcode area 78351 Bodman-Ludwigshafen
- Postcode area 78354 Sipplingen
- Postcode area 78355 Hohenfels
- Postcode area 78357 Mühlingen
- Postcode area 78359 Orsingen-Nenzingen
- Postcode area 78462 Konstanz
- Postcode area 78464 Konstanz
- Postcode area 78465 Konstanz
- Postcode area 78467 Konstanz
- Postcode area 78476 Allensbach
- Postcode area 78479 Reichenau
- Postcode area 78532 Tuttlingen
- Postcode area 78549 Spaichingen
- Postcode area 78554 Aldingen
- Postcode area 78559 Gosheim
- Postcode area 78564 Wehingen, Reichenbach
- Postcode area 78567 Fridingen an der Donau
- Postcode area 78570 Mühlheim an der Donau
- Postcode area 78573 Wurmlingen
- Postcode area 78576 Emmingen-Liptingen
- Postcode area 78579 Neuhausen ob Eck
- Postcode area 78580 Bärenthal
- Postcode area 78582 Balgheim
- Postcode area 78583 Böttingen
- Postcode area 78585 Bubsheim
- Postcode area 78586 Deilingen
- Postcode area 78588 Denkingen
- Postcode area 78589 Dürbheim
- Postcode area 78591 Durchhausen
- Postcode area 78592 Egesheim
- Postcode area 78594 Gunningen
- Postcode area 78595 Hausen ob Verena
- Postcode area 78597 Irndorf
- Postcode area 78598 Königsheim
- Postcode area 78600 Kolbingen
- Postcode area 78601 Mahlstetten
- Postcode area 78603 Renquishausen
- Postcode area 78604 Rietheim-Weilheim
- Postcode area 78606 Seitingen-Oberflacht
- Postcode area 78607 Talheim
- Postcode area 78609 Tuningen
- Postcode area 78628 Rottweil
- Postcode area 78647 Trossingen
- Postcode area 78652 Deißlingen
- Postcode area 78655 Dunningen
- Postcode area 78658 Zimmern ob Rottweil
- Postcode area 78661 Dietingen
- Postcode area 78662 Bösingen
- Postcode area 78664 Eschbronn
- Postcode area 78665 Frittlingen
- Postcode area 78667 Villingendorf
- Postcode area 78669 Wellendingen
- Postcode area 78713 Schramberg
- Postcode area 78727 Oberndorf am Neckar
- Postcode area 78730 Lauterbach
- Postcode area 78733 Aichhalden
- Postcode area 78736 Epfendorf
- Postcode area 78737 Fluorn-Winzeln
- Postcode area 78739 Hardt