Idaho Falls, Idaho

7 ZIP codes · Mountain time

ZIP codes (largest first)

83401 · 47,97283402 · 29,99483404 · 27,50083406 · 19,69683403 (PO box)83405 (PO box)83415 (PO box)
Population67,725
StateIdaho
CountyBonneville County
Time zoneMountain
Land area27.15 sq mi

Area codes in this area

208986

These are the area codes that most often serve Idaho Falls (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 Idaho Falls

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