ZIP code · Hammond · Indiana · United States

ZIP code 46320 — Hammond

Name: Hammond (46320)
Address: Indiana, 46320, US

ZIP code 46320 serves Hammond, Indiana.

Postal code: 46320
Single source Value from one source, not cross-checked.
City: Hammond
County: Lake
State: Indiana
Country: United States
Coordinates: 41.6099, -87.5079 — precision precise (locality)
View on OpenStreetMap

Nearby localities

46323Hammond
46324Hammond
46325Hammond
46327Hammond

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page