Prefix Information

The prefix 231 is part of area code 314 serving St. Louis, Missouri.

This exchange contains 10,000 possible phone numbers (314-231-0000 through 314-231-9999).

Browse Numbers in This Prefix

314-231-0000-0999 314-231-1000-1999 314-231-2000-2999 314-231-3000-3999 314-231-4000-4999 314-231-5000-5999 314-231-6000-6999 314-231-7000-7999 314-231-8000-8999 314-231-9000-9999

Sample Numbers

(314) 231-0000 (314) 231-1234 (314) 231-2000 (314) 231-3333 (314) 231-4444 (314) 231-5555 (314) 231-6000 (314) 231-7777 (314) 231-8888 (314) 231-9999