206-399 Prefix — Seattle, Washington

Phone numbers starting with 206-399 are based in Seattle, Washington, primarily served by At&t.

Recently looked-up numbers in 206-399

• 206-399-9945
• 206-399-3342

More about this region

Area code 206 directory · About area code 206 · Get a WA phone number

Last updated: April 8, 2026