425-400 Prefix — Seattle, Washington

Phone numbers starting with 425-400 are based in Seattle, Washington, primarily served by Onvoy, LLC - WA.

Recently looked-up numbers in 425-400

• 425-400-5574
• 425-400-3709
• 425-400-1291

More about this region

Area code 425 directory · About area code 425 · Get a WA phone number

Last updated: April 15, 2026