Prefix Information

The prefix 312 is part of area code 636 serving OFallon, Missouri.

This exchange contains 10,000 possible phone numbers (636-312-0000 through 636-312-9999).

Browse Numbers in This Prefix

636-312-0000-0999 636-312-1000-1999 636-312-2000-2999 636-312-3000-3999 636-312-4000-4999 636-312-5000-5999 636-312-6000-6999 636-312-7000-7999 636-312-8000-8999 636-312-9000-9999

Sample Numbers

(636) 312-0000 (636) 312-1234 (636) 312-2000 (636) 312-3333 (636) 312-4444 (636) 312-5555 (636) 312-6000 (636) 312-7777 (636) 312-8888 (636) 312-9999