Prefix Information

The prefix 312 is part of area code 412 serving Pittsburgh, Pennsylvania.

This exchange contains 10,000 possible phone numbers (412-312-0000 through 412-312-9999).

Browse Numbers in This Prefix

412-312-0000-0999 412-312-1000-1999 412-312-2000-2999 412-312-3000-3999 412-312-4000-4999 412-312-5000-5999 412-312-6000-6999 412-312-7000-7999 412-312-8000-8999 412-312-9000-9999

Sample Numbers

(412) 312-0000 (412) 312-1234 (412) 312-2000 (412) 312-3333 (412) 312-4444 (412) 312-5555 (412) 312-6000 (412) 312-7777 (412) 312-8888 (412) 312-9999