Silvana, WA is a city located in Snohomish County, Washington and has a land area of 0.00 square miles (0.00 km2). The water area for the city is 0.00 square miles or 0.00 km2. There is one unique zip code in Silvana, Washington and it is 98287. The area code(s) for Silvana is 360/564.
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