OSO Zip Code (WA)
The Zipcode for Oso is 98223. Oso is in Snohomish, Washington in the Northwest region of the USA. It is located about 89 miles north-northeast of WA's capital city of Olympia.
Oso
98223
Cities in Washington that start with O
ARLINGTON
524 N OLYMPIC AVE
ARLINGTON, WA, 98223-9998
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