314-720 Prefix — Washington, Missouri

Phone numbers starting with 314-720 are based in Washington, Missouri, primarily served by Level 3 Communications, LLC -.

Recently looked-up numbers in 314-720

• 314-720-5644
• 314-720-3609

More about this region

Area code 314 directory · About area code 314 · Get a MO phone number

Last updated: April 13, 2026