Gary, IN ZIP Codes
Gary, Indiana has 8 ZIP codes: 7 for street addresses (, , , , , and 1 more) and 1 for PO boxes ().
Your street decides which one you use.
Which Gary 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?
Gary ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
46401 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Gary city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Gary ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 46401 | PO boxes at the Gary post office Gary |
| 46402 | street delivery Gary |
| 46403 | street delivery Gary |
| 46404 | street delivery Gary |
| 46406 | street delivery Gary |
| 46407 | street delivery 15th Avenue |
| 46408 | street delivery Gary |
| 46409 | street delivery Gary |
Why your mail may say Gary when you live outside it
Gary ZIP codes also cover Calumet Township, so a letter addressed to Gary can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Lake County property records show which city you are in.
Gary ZIP code questions
What is the main ZIP code for Gary?
46402, the ZIP code of the main Gary post office at 1499 Martin Luther King Dr.
Which Gary ZIP codes are for PO boxes only?
46401. Mail to it goes to boxes at the post office, not to street addresses.
What county is Gary in?
Lake County.
ZIP codes for towns near Gary
More towns near Gary: Oak Lawn, Tinley Park, Chicago, Michigan City, Orland Park, Cicero, Berwyn, Oak Park, Evanston.
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