513-399 Prefix — Cincinnati, Ohio

Phone numbers starting with 513-399 are based in Cincinnati, Ohio, primarily served by T-Mobile.

Recently looked-up numbers in 513-399

• 513-399-4834
• 513-399-0039
• 513-399-0004
• 513-399-2853
• 513-399-1989

More about this region

Area code 513 directory · About area code 513 · Get a OH phone number

Last updated: April 10, 2026