ZIP Code 54305

54305 is one of Wisconsin's ZIP codes, delivering to addresses in Green Bay, Brown County.

City: Green Bay
County: Brown County
State: Wisconsin
Prefix: 543xx

Where this code sits

54305 is part of the 543xx range, the group of codes handled by one mail processing centre. Green Bay is served by 12 ZIP codes in total; the full list, with the county each falls in, is on the Green Bay page.

Green Bay Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54305 delivers to without sharing its boundary.

ZIP codes nearest 54305

The ZIP codes whose reference points sit closest to 54305.
ZIP code	Distance	Delivers to
ZIP code 54307	0.0 mi	Green Bay, WI
ZIP code 54324	0.0 mi	Green Bay, WI
ZIP code 54301	1.6 mi	Green Bay, WI
ZIP code 54304	2.9 mi	Green Bay, WI
ZIP code 54302	3.3 mi	Green Bay, WI
ZIP code 54115	3.9 mi	De Pere, WI
ZIP code 54306	4.1 mi	Green Bay, WI
ZIP code 54308	4.1 mi	Green Bay, WI

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 54305, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 54305. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.