Find the last 4 digits (ZIP+4) for an address in 83321

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ZIP Code 83321 – Castleford, ID

Castleford, Idaho · Twin Falls County · Mountain time

ZIP code83321
CityCastleford
StateIdaho
CountyTwin Falls County
Population482
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area181.18 sq mi
Center (lat, long)42.3456, -114.8474

Area codes in this area

208986

These are the area codes that most often serve ZIP 83321 (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

83301 Twin Falls · 16.9 mi83316 Buhl · 19.4 mi83328 Filer · 19.5 mi83302 Rogerson · 20.3 mi83303 Twin Falls · 24.8 mi83341 Kimberly · 24.9 mi83334 Hansen · 28.8 mi83355 Wendell · 29.1 mi

About ZIP 83321

ZIP code 83321 is assigned to Castleford, Idaho. It lies in Twin Falls County. Its Census area covers about 181.18 square miles of land. The closest neighboring ZIP is 83301 (Twin Falls), about 16.9 miles away.

Every address in 83321 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