Valparaiso, IN ZIP Codes
Valparaiso, Indiana has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Valparaiso 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?
Valparaiso ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
46384 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Valparaiso city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Valparaiso ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 46383 | street delivery Valparaiso |
| 46384 | PO boxes at the Downtown Valparaiso post office Downtown Valparaiso |
| 46385 | street delivery Valparaiso |
Why your mail may say Valparaiso when you live outside it
Valparaiso ZIP codes also cover Morgan Township, Center Township and Washington Township, so a letter addressed to Valparaiso can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Porter County property records show which city you are in.
Valparaiso ZIP code questions
What is the main ZIP code for Valparaiso?
46383, the ZIP code of the main Valparaiso post office at 2700 Valparaiso St.
Which Valparaiso ZIP codes are for PO boxes only?
46384. Mail to it goes to boxes at the post office, not to street addresses.
What county is Valparaiso in?
Porter County.
ZIP codes for towns near Valparaiso
More towns near Valparaiso: Calumet City, Tinley Park, Oak Lawn, Chicago, Orland Park, South Bend, Cicero, Berwyn, Oak Park.
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