Prefix Information

The prefix 774 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-774-0000 through 312-774-9999).

Browse Numbers in This Prefix

312-774-0000-0999 312-774-1000-1999 312-774-2000-2999 312-774-3000-3999 312-774-4000-4999 312-774-5000-5999 312-774-6000-6999 312-774-7000-7999 312-774-8000-8999 312-774-9000-9999

Sample Numbers

(312) 774-0000 (312) 774-1234 (312) 774-2000 (312) 774-3333 (312) 774-4444 (312) 774-5555 (312) 774-6000 (312) 774-7777 (312) 774-8888 (312) 774-9999