Find the last 4 digits (ZIP+4) for an address in 83605

ZIP 83605, Caldwell, 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 83605 – Caldwell, ID

Caldwell, Idaho · Canyon County · Mountain time

ZIP code83605
CityCaldwell
StateIdaho
CountyCanyon County
Population41,325
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area24.63 sq mi
Center (lat, long)43.6641, -116.6517

Area codes in this area

208986

These are the area codes that most often serve ZIP 83605 (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

83652 Nampa · 3.3 mi83607 Caldwell · 5.3 mi83651 Nampa · 5.5 mi83644 Middleton · 6.7 mi83687 Nampa · 7.2 mi83653 Nampa · 7.4 mi83630 Huston · 8.1 mi83656 Notus · 8.3 mi

About ZIP 83605

ZIP code 83605 is assigned to Caldwell, Idaho. It lies in Canyon County. Its Census area covers about 24.63 square miles of land. The closest neighboring ZIP is 83652 (Nampa), about 3.3 miles away.

Every address in 83605 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