Postal reference / United States
83406Idaho Falls, Idaho
ZIP code 83406 is a United States postal code for Idaho Falls, Idaho. Its county association is Bonneville County. The map reference point is at 43.4732, -111.9661.
- State / territory
- Idaho
- Recorded place name
- Idaho Falls
- County association
- Bonneville
- Estimated coordinate
- 43.4732, -111.9661
View on OpenStreetMap - ZIP prefix
- 834 · 46 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
Area
- Land area
- 32.027 sq mi (2023 Census Gazetteer)
Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.
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Browse the other 319 ZIP codes recorded for Idaho, sorted by code with place and county.
Idaho directoryOther ZIP codes in Idaho Falls, ID
Idaho Falls has 7 ZIP codes in the reference dataset.
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 83404 | Idaho Falls | ID | Bonneville | 2.3 |
| 83403 | Idaho Falls | ID | Bonneville | 3.4 |
| 83405 | Idaho Falls | ID | Bonneville | 3.4 |
| 83415 | Idaho Falls | ID | Bonneville | 3.4 |
| 83427 | Iona | ID | Bonneville | 4.0 |
| 83402 | Idaho Falls | ID | Bonneville | 4.8 |
| 83401 | Idaho Falls | ID | Bonneville | 6.6 |
| 83454 | Ucon | ID | Bonneville | 8.3 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.
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