314-320 Prefix — St Louis, Missouri

Phone numbers starting with 314-320 are based in St Louis, Missouri, primarily served by At&t.

Recently looked-up numbers in 314-320

• 314-320-4785
• 314-320-4758

More about this region

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

Last updated: July 8, 2026