26388 is the Postal Code/PLZ Code for Wilhelmshaven in the Germany State of Lower Saxony and the District of Wilhelmshaven.
| Postal Code | 26388 |
| Postal Code Name | Wilhelmshaven |
| State | Lower Saxony |
| District | Wilhelmshaven |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 26386 26389 26419 26434 |