Prefix Information

The prefix 412 is part of area code 312 serving Chicago, Illinois.

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

Browse Numbers in This Prefix

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

Sample Numbers

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