Caldwell, Idaho

3 ZIP codes · Mountain time

ZIP codes (largest first)

83605 · 41,32583607 · 35,49183606 (PO box)
Population66,516
StateIdaho
CountyCanyon County
Time zoneMountain
Land area25.13 sq mi

Area codes in this area

208986

These are the area codes that most often serve Caldwell (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Find the ZIP+4 for an address in Caldwell

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Population: U.S. Census Bureau, ACS 5-year estimates, 2024.