ZIP Code 54923

54923 is one of Wisconsin's ZIP codes, delivering to addresses in Berlin, Green Lake County.

City: Berlin
County: Green Lake County
State: Wisconsin
Prefix: 549xx

Where this code sits

54923 is part of the 549xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Berlin.

Berlin Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54923 delivers to without sharing its boundary.

ZIP codes nearest 54923

The ZIP codes whose reference points sit closest to 54923.
ZIP code	Distance	Delivers to
ZIP code 54934	5.7 mi	Eureka, WI
ZIP code 54970	8.7 mi	Redgranite, WI
ZIP code 54980	8.9 mi	Waukau, WI
ZIP code 54941	9.2 mi	Green Lake, WI
ZIP code 54971	11 mi	Ripon, WI
ZIP code 54963	11 mi	Omro, WI
ZIP code 54967	11 mi	Poy Sippi, WI
ZIP code 54968	13 mi	Princeton, 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 54923, plotted from its record coordinates.

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

Scope ZIP code 54923. 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.