Prefix Information

The prefix 312 is part of area code 314 serving St. Louis, Missouri.

This exchange contains 10,000 possible phone numbers (314-312-0000 through 314-312-9999).

Browse Numbers in This Prefix

314-312-0000-0999 314-312-1000-1999 314-312-2000-2999 314-312-3000-3999 314-312-4000-4999 314-312-5000-5999 314-312-6000-6999 314-312-7000-7999 314-312-8000-8999 314-312-9000-9999

Sample Numbers

(314) 312-0000 (314) 312-1234 (314) 312-2000 (314) 312-3333 (314) 312-4444 (314) 312-5555 (314) 312-6000 (314) 312-7777 (314) 312-8888 (314) 312-9999