Green Bay, WI ZIP Codes
Green Bay, Wisconsin has 12 ZIP codes: 6 for street addresses (, , , , and ), 5 for PO boxes and 1 for a single organization.
Your street decides which one you use.
Which Green Bay ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Green Bay ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
54305, 54306, 54307, 54308, 54324 and 54344 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: Green Bay city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Green Bay ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 54301 | street delivery John P Cofrin |
| 54302 | street delivery John P Cofrin |
| 54303 | street delivery Green Bay |
| 54304 | street delivery Green Bay |
| 54305 | PO boxes at the Downtown Green Bay post office Downtown Green Bay |
| 54306 | PO boxes at the Downtown Green Bay post office Downtown Green Bay |
| 54307 | PO boxes at the Green Bay post office Green Bay |
| 54308 | PO boxes at the John P Cofrin post office John P Cofrin |
| 54311 | street delivery John P Cofrin |
| 54313 | street delivery Green Bay |
| 54324 | PO boxes at the Hansen Road post office Hansen Road |
| 54344 | one organization Green Bay |
ZIP codes from nearby towns that reach into Green Bay
- 54229, mailing town New Franken, covers 5 percent of Green Bay
Why your mail may say Green Bay when you live outside it
Green Bay ZIP codes also cover Suamico, Howard and Eaton, so a letter addressed to Green Bay can go to a home outside the city limits.
The reverse happens too: parts of Green Bay use 54229, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. Brown County property records show which city you are in.
Green Bay ZIP code questions
What is the main ZIP code for Green Bay?
54303, the ZIP code of the main Green Bay post office at 300 Packerland Dr.
Which Green Bay ZIP codes are for PO boxes only?
54305, 54306, 54307, 54308 and 54324. Mail to them goes to boxes at the post office, not to street addresses.
What county is Green Bay in?
Brown County.
ZIP codes for towns near Green Bay
More towns near Green Bay: Wausau, Menomonee Falls, Milwaukee, Wauwatosa, Brookfield, West Allis, Waukesha, New Berlin, Greenfield.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections