Find the last 4 digits (ZIP+4) for an address in 70401

ZIP 70401, Hammond, LA is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 70401 – Hammond, LA

Hammond, Louisiana · Tangipahoa Parish · Central time

ZIP code70401
CityHammond
StateLouisiana
CountyTangipahoa ParishLivingston Parish
Population21,221
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area34.7 sq mi
Center (lat, long)30.5336, -90.4554

Area codes in this area

985504

These are the area codes that most often serve ZIP 70401 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

70402 Hammond · 1.4 mi70451 Natalbany · 1.9 mi70404 Hammond · 2 mi70466 Tickfaw · 3.6 mi70403 Hammond · 3.8 mi70455 Robert · 7.8 mi70711 Albany · 8.1 mi70443 Independence · 8.5 mi

About ZIP 70401

ZIP code 70401 is assigned to Hammond, Louisiana. It crosses 2 counties; most of its land is in Tangipahoa Parish. Its Census area covers about 34.7 square miles of land. The closest neighboring ZIP is 70402 (Hammond), about 1.4 miles away.

Every address in 70401 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources