ZIP code · Hammond · Louisiana · United States
ZIP code 70401 — Hammond
ZIP code 70401 serves Hammond, Louisiana.
- Postal code
- 70401Single source Value from one source, not cross-checked.
- City
- Hammond
- County
- Tangipahoa
- State
- Louisiana
- Country
- United States
- Coordinates
- 30.5191, -90.4879 — precision precise (locality)
View on OpenStreetMap - Population
- 21,901 (ZCTA, ACS 5-year)
- Median household income
- $50,995
- Median age
- 29.1
Nearby localities
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 · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page