83403 ZIP Code — Idaho Falls, ID
Bonneville County, Idaho
ZIP code 83403 is located in Idaho Falls, Idaho, within Bonneville County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 208.
0
population
0.00
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
83403 ZIP code map
Cities in ZIP code 83403
Below are the cities the US Postal Service accepts for ZIP code 83403. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Idaho Falls | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 16 |
| County FIPS | 019 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 43.4667 |
| Longitude | -112.0335 |
| Timezone | Mountain (MT) |
| Area code | 208 |