Find the last 4 digits (ZIP+4) for an address in 53546

ZIP 53546, Janesville, WI is filled in. Just type the street address.

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ZIP Code 53546 – Janesville, WI

Janesville, Wisconsin · Rock County · Central time

ZIP code53546
CityJanesville
StateWisconsin
CountyRock County
Population29,867
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area81.11 sq mi
Center (lat, long)42.6522, -88.9482

Area codes in this area

353608

These are the area codes that most often serve ZIP 53546 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

53505 Avalon · 6.5 mi53547 Janesville · 6.8 mi53501 Afton · 7.3 mi53545 Janesville · 7.6 mi53563 Milton · 8.9 mi53525 Clinton · 9.1 mi53548 Janesville · 9.6 mi53114 Darien · 10.7 mi

About ZIP 53546

ZIP code 53546 is assigned to Janesville, Wisconsin. It lies in Rock County. Its Census area covers about 81.11 square miles of land. The closest neighboring ZIP is 53505 (Avalon), about 6.5 miles away.

Every address in 53546 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources