PLZ in Niedersachsen - "W"
| Stadt | Kreis | Einwohner |
|---|
| Wolfsburg | Wolfsburg | 109,000 |
| Wilhelmshaven | Wilhelmshaven | 65,500 |
| Wolfenbüttel | Wolfenbüttel | 39,800 |
| Wunstorf | Region Hannover | 17,200 |
| Winsen | Harburg | 16,300 |
| Walsrode | Heidekreis | 7,900 |
| Wallenhorst | Osnabrück | 24,400 |
| Westerstede | Ammerland | 8,100 |
| Wittmund | Wittmund | 6,400 |
| Wildeshausen | Oldenburg | 12,300 |
| Waddeweitz | Lüchow-Dannenberg | 953 |
| Wagenfeld | Diepholz | 1,500 |
| Wagenhoff | Gifhorn | 677 |
| Wahrenholz | Gifhorn | 1,800 |
| Walchum | Emsland | 234 |
| Walkenried | Göttingen | 1,700 |
| Wangerland | Friesland | 744 |
| Wangerooge | Friesland | 769 |
| Wanna | Cuxhaven | 616 |
| Warberg | Helmstedt | 531 |
| Wardenburg | Oldenburg | 4,700 |
| Warmsen | Nienburg (Weser) | 395 |
| Warpe | Nienburg (Weser) | 798 |
| Wasbüttel | Gifhorn | 1,500 |
| Wathlingen | Celle | 4,800 |
| Weener | Leer | 6,000 |
| Weenzen | - | 445 |
| Welle | Harburg | 424 |
| Wendeburg | Peine | 2,200 |
| Wendisch Evern | Lüneburg | 895 |
| Wennigsen | Region Hannover | 5,900 |
| Werpeloh | Emsland | 399 |
| Wesendorf | Gifhorn | 2,000 |
| Weste | Uelzen | 189 |
| Westergellersen | Lüneburg | 1,400 |
| Westerholt | Wittmund | 1,500 |
| Westoverledingen | Leer | 4,100 |
| Westrhauderfehn | - | 6,000 |
| Weyhausen | Gifhorn | 1,600 |
| Weyhe | Diepholz | 30,400 |
| Wieda | - | 803 |
| Wiedensahl | Schaumburg | 523 |
| Wiefelstede | Ammerland | 3,400 |
| Wienhausen | Celle | 4,200 |
| Wieren | - | 778 |
| Wiesmoor | Aurich | 5,000 |
| Wietmarschen | Grafschaft Bentheim | 1,200 |
| Wietze | Celle | 4,300 |
| Wietzen | Nienburg (Weser) | 454 |
| Wietzendorf | Heidekreis | 1,100 |
| Wildemann | - | 687 |
| Wilsum | Grafschaft Bentheim | 167 |
| Wingst | Cuxhaven | 521 |
| Winsen | Segeberg | 6,600 |
| Winsen an der Aller | Celle | 6,600 |
| Winzenburg | - | 274 |
| Wirdum | Aurich | 542 |
| Wischhafen | Stade | 1,100 |
| Wittingen | Gifhorn | 2,300 |
| Wittmar | Wolfenbüttel | 830 |
| Wittorf | Lüneburg | 239 |
| Wolsdorf | Helmstedt | 631 |
| Woltersdorf | Lüchow-Dannenberg | 296 |
| Woltershausen | - | 955 |
| Worpswede | Osterholz | 3,900 |
| Wremen | - | 934 |
| Wrestedt | Uelzen | 1,400 |
| Wriedel | Uelzen | 317 |
| Wulfsen | Harburg | 775 |
| Wulften | - | 1,500 |
| Wulsbüttel | - | 114 |
| Wustrow | Lüchow-Dannenberg | 1,400 |
| Wölpinghausen | Schaumburg | 390 |