ZIP Code 54303: Green Bay, WI
County: Brown
Coordinates: 44.55220, -88.07880
ZIP Type: Standard
Time Zone: Central Time (CT)
Explore detailed information for ZIP code 54303 in Green Bay, WI. We include verified county details for Brown plus key geographic references used for mapping and logistics.
| Primary City | Green Bay |
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| ZIP Code | 54303 |
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| County | Brown |
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| State | WI |
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| Latitude / Longitude | 44.55220, -88.07880 |
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| ZIP Type | Standard |
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| Time Zone | Central Time (CT) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 54303 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 54303 are listed as 44.55220 / -88.07880, useful for GPS and service checks in and around Green Bay, WI.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 54303 for mail delivery and general location reference in
Brown,
WI.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Green Bay.
Related ZIP Codes (Nearby)
Explore other postal codes near Green Bay within WI.
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Frequently Asked Questions
What is the primary city for ZIP code 54303?
The primary city for this ZIP code is Green Bay, located in WI.
In which county is 54303 located?
ZIP code 54303 is situated within Brown, WI.
What are the coordinates for 54303?
The approximate center point is 44.55220 (Latitude) and -88.07880 (Longitude).
Is ZIP code 54303 active?
This page lists ZIP 54303 as Listed based on the latest refresh date shown above.
Does ZIP 54303 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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Methodology & Data Notes
How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.
Page updated: 2026-01-08