Prefix Information

The prefix 374 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-374-0000 through 312-374-9999).

Browse Numbers in This Prefix

312-374-0000-0999 312-374-1000-1999 312-374-2000-2999 312-374-3000-3999 312-374-4000-4999 312-374-5000-5999 312-374-6000-6999 312-374-7000-7999 312-374-8000-8999 312-374-9000-9999

Sample Numbers

(312) 374-0000 (312) 374-1234 (312) 374-2000 (312) 374-3333 (312) 374-4444 (312) 374-5555 (312) 374-6000 (312) 374-7777 (312) 374-8888 (312) 374-9999