ZIP code · Castle Rock · Washington · United States

ZIP code 98611 — Castle Rock

Name: Castle Rock (98611)
Address: Washington, 98611, US

ZIP code 98611 serves Castle Rock, Washington.

Postal code: 98611
Single source Value from one source, not cross-checked.
City: Castle Rock
County: Cowlitz
State: Washington
Country: United States
Coordinates: 46.2783, -122.9139 — precision precise (locality)
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Nearby localities

98645Silverlake
98593Vader · 14 km
98626Kelso · 15 km
98632Longview · 15 km
98581Ryderwood · 15 km
98591Toledo · 19 km
98649Toutle · 21 km
98609Carrolls · 23 km
98596Winlock · 24 km
98538Curtis · 30 km

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page