La Crosse, WI ZIP Codes
La Crosse, Wisconsin has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which La Crosse ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
La Crosse ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
54602 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: La Crosse city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All La Crosse ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 54601 | street delivery La Crosse Sorting and Delivery Center |
| 54602 | PO boxes at the La Crosse Sorting and Delivery Center post office La Crosse Sorting and Delivery Center |
| 54603 | street delivery La Crosse Sorting and Delivery Center |
ZIP codes from nearby towns that reach into La Crosse
- 54650, mailing town Onalaska, covers 4 percent of La Crosse
Why your mail may say La Crosse when you live outside it
La Crosse ZIP codes also cover Shelby, Greenfield and Barre, so a letter addressed to La Crosse can go to a home outside the city limits.
The reverse happens too: parts of La Crosse use 54650, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. La Crosse County property records show which city you are in.
La Crosse ZIP code questions
What is the main ZIP code for La Crosse?
54601, the ZIP code of the main La Crosse Sorting and Delivery Center post office at 425 State St.
Which La Crosse ZIP codes are for PO boxes only?
54602. Mail to it goes to boxes at the post office, not to street addresses.
What county is La Crosse in?
La Crosse County.
ZIP codes for towns near La Crosse
More towns near La Crosse: Waterloo, Sun Prairie, Cedar Falls, Wausau, Woodbury, Inver Grove Heights, Lakeville, Apple Valley, Eagan.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections