Find the last 4 digits (ZIP+4) for an address in 83401

ZIP 83401, Idaho Falls, ID is filled in. Just type the street address.

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ZIP Code 83401 – Idaho Falls, ID

Idaho Falls, Idaho · Bonneville County · Mountain time

ZIP code83401
CityIdaho Falls
StateIdaho
CountyBonneville CountyJefferson County
Population47,972
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area197.31 sq mi
Center (lat, long)43.5424, -111.8779

Area codes in this area

208986

These are the area codes that most often serve ZIP 83401 (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

83454 Ucon · 5.3 mi83442 Rigby · 6.3 mi83406 Idaho Falls · 7.7 mi83403 Idaho Falls · 9.4 mi83405 Idaho Falls · 9.4 mi83415 Idaho Falls · 9.4 mi83404 Idaho Falls · 10.5 mi83431 Lewisville · 12.7 mi

About ZIP 83401

ZIP code 83401 is assigned to Idaho Falls, Idaho. It crosses 2 counties; most of its land is in Bonneville County. Its Census area covers about 197.31 square miles of land. The closest neighboring ZIP is 83454 (Ucon), about 5.3 miles away.

Every address in 83401 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