Find the last 4 digits (ZIP+4) for an address in 83440

ZIP 83440, Rexburg, ID 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 83440 – Rexburg, ID

Rexburg, Idaho · Madison County · Mountain time

ZIP code83440
CityRexburg
StateIdaho
CountyMadison CountyFremont County
Population51,421
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area181.67 sq mi
Center (lat, long)43.8086, -111.8086

Area codes in this area

208986

These are the area codes that most often serve ZIP 83440 (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

83460 Rexburg · 1.4 mi83448 Sugar City · 5.6 mi83441 Rexburg · 6.3 mi83451 Teton · 9.6 mi83434 Menan · 10.5 mi83438 Parker · 10.7 mi83442 Rigby · 12.5 mi83431 Lewisville · 13.9 mi

About ZIP 83440

ZIP code 83440 is assigned to Rexburg, Idaho. It crosses 2 counties; most of its land is in Madison County. Its Census area covers about 181.67 square miles of land. The closest neighboring ZIP is 83460 (Rexburg), about 1.4 miles away.

Every address in 83440 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