Area Code Lookup
What Area Code Is Silverdale?
2 area codes serve Silverdale · Washington
Silverdale is served by area codes 360, 564. It is located in Washington.
Area Codes Serving Silverdale
Frequently Asked Questions
What area code is Silverdale?
Silverdale is served by area codes 360, 564. It is located in Washington.
Why does Silverdale have multiple area codes?
As demand for phone numbers increased, NANPA added area codes through splits (dividing the region) or overlays (layering a new code over the same geography). Silverdale now has 2 area codes — 360 and 564 — covering the same or overlapping areas.
How do I call Silverdale from outside the US?
To call Silverdale from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-360-XXX-XXXX). The +1 is the country code for all NANPA countries.