Find the last 4 digits (ZIP+4) for an address in 54603

ZIP 54603, La Crosse, WI is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 54603 – La Crosse, WI

La Crosse, Wisconsin · La Crosse County · Central time

ZIP code54603
CityLa Crosse
StateWisconsin
CountyLa Crosse County
Population13,738
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area8.86 sq mi
Center (lat, long)43.8577, -91.2518

Area codes in this area

353608

These are the area codes that most often serve ZIP 54603 (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

54650 Onalaska · 3.8 mi54602 La Crosse · 5.4 mi55947 La Crescent · 6.2 mi54601 La Crosse · 6.6 mi54669 West Salem · 9.1 mi54636 Holmen · 10.1 mi55941 Hokah · 10.4 mi55925 Dakota · 10.9 mi

About ZIP 54603

ZIP code 54603 is assigned to La Crosse, Wisconsin. It lies in La Crosse County. Its Census area covers about 8.86 square miles of land. The closest neighboring ZIP is 54650 (Onalaska), about 3.8 miles away.

Every address in 54603 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