ZIP Code 99138 – Inchelium, WA
Inchelium, Washington · Ferry County · Pacific time
| ZIP code | 99138 |
|---|---|
| City | Inchelium |
| State | Washington |
| County | Ferry County |
| Population | 1,223 |
| Time zone | Pacific · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 566.57 sq mi |
| Center (lat, long) | 48.2314, -118.3909 |
Area codes in this area
These are the area codes that most often serve ZIP 99138 (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 99138
ZIP code 99138 is assigned to Inchelium, Washington. It lies in Ferry County. Its Census area covers about 566.57 square miles of land. The closest neighboring ZIP is 99137 (Hunters), about 13.9 miles away.
Every address in 99138 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