City · Louisiana · United States

Hammond, LA — ZIP codes

4 ZIP codes · Tangipahoa County

City: Hammond
County: Tangipahoa
State: Louisiana
Country: United States
Postal codes: 70401704027040370404
Single source
Coordinates: 30.5191, -90.4879 View on OpenStreetMap

ZIP codes (4)

Postal code	Place name	Verification
70401	Hammond	Single source
70402	Hammond	Single source
70403	Hammond	Single source
70404	Hammond	Single source

Sources and verification

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. Last generated : 2026-08-21. Report an error.