206-710 Prefix — Seattle, Washington

Phone numbers starting with 206-710 are based in Seattle, Washington, primarily served by T-Mobile.

Recently looked-up numbers in 206-710

• 206-710-8548
• 206-710-7028

More about this region

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

Last updated: February 16, 2026