ZIP Code 98626 – Kelso, WA
Kelso, Washington · Cowlitz County · Pacific time
| ZIP code | 98626 |
|---|---|
| City | Kelso |
| State | Washington |
| County | Cowlitz County |
| Population | 26,892 |
| Time zone | Pacific · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 134.61 sq mi |
| Center (lat, long) | 46.1722, -122.7735 |
Area codes in this area
These are the area codes that most often serve ZIP 98626 (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 98626
ZIP code 98626 is assigned to Kelso, Washington. It lies in Cowlitz County. Its Census area covers about 134.61 square miles of land. The closest neighboring ZIP is 98609 (Carrolls), about 8.2 miles away.
Every address in 98626 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