314-489 Prefix — St Louis, Missouri

Phone numbers starting with 314-489 are based in St Louis, Missouri, primarily served by T-Mobile.

Recently looked-up numbers in 314-489

• 314-489-6801
• 314-489-9532

More about this region

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

Last updated: May 23, 2026