Find the last 4 digits (ZIP+4) for an address in 83631

ZIP 83631, Idaho City, ID is filled in. Just type the street address.

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ZIP Code 83631 – Idaho City, ID

Idaho City, Idaho · Boise County · Mountain time

ZIP code83631
CityIdaho City
StateIdaho
CountyBoise County
Population1,916
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area168.47 sq mi
Center (lat, long)43.8847, -115.7773

Area codes in this area

208986

These are the area codes that most often serve ZIP 83631 (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

83666 Placerville · 11.1 mi83622 Garden Valley · 15.9 mi83629 Horseshoe Bend · 17.7 mi83602 Banks · 23.2 mi83702 Boise · 23.7 mi83712 Boise · 24.2 mi83601 Atlanta · 26.2 mi83703 Boise · 27.6 mi

About ZIP 83631

ZIP code 83631 is assigned to Idaho City, Idaho. It lies in Boise County. Its Census area covers about 168.47 square miles of land. The closest neighboring ZIP is 83666 (Placerville), about 11.1 miles away.

Every address in 83631 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