ZIP Code 83854 – Post Falls, ID
Post Falls, Idaho · Kootenai County · Pacific time
| ZIP code | 83854 |
|---|---|
| City | Post Falls |
| State | Idaho |
| County | Kootenai County |
| Population | 54,851 |
| Time zone | Pacific · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 77.58 sq mi |
| Center (lat, long) | 47.7264, -116.9761 |
Area codes in this area
These are the area codes that most often serve ZIP 83854 (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
About ZIP 83854
ZIP code 83854 is assigned to Post Falls, Idaho. It lies in Kootenai County. Its Census area covers about 77.58 square miles of land. The closest neighboring ZIP is 83877 (Post Falls), about 1.3 miles away.
Every address in 83854 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