Lookup › Area code 564
564 Area Code — Seattle, WA
Area code 564 serves Seattle, WA.
Most looked-up 564 numbers
Phone prefixes in 564
Carriers serving 564
- Onvoy, LLC - Or (1 numbers)
Frequently asked questions
Where is area code 564?
Area code 564 serves Seattle, WA.
What prefixes are in area code 564?
Phone2.io tracks 2 phone prefixes in area code 564, with carrier and spam-report data on individual numbers.
More about area code 564
Area code 564 overview, history, and local numbers · Get a WA phone number
Last updated: July 18, 2026