Prefix Information

The prefix 399 is part of area code 314 serving St. Louis, Missouri.

This exchange contains 10,000 possible phone numbers (314-399-0000 through 314-399-9999).

Browse Numbers in This Prefix

314-399-0000-0999 314-399-1000-1999 314-399-2000-2999 314-399-3000-3999 314-399-4000-4999 314-399-5000-5999 314-399-6000-6999 314-399-7000-7999 314-399-8000-8999 314-399-9000-9999

Sample Numbers

(314) 399-0000 (314) 399-1234 (314) 399-2000 (314) 399-3333 (314) 399-4444 (314) 399-5555 (314) 399-6000 (314) 399-7777 (314) 399-8888 (314) 399-9999