Prefix Information

The prefix 734 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-734-0000 through 312-734-9999).

Browse Numbers in This Prefix

312-734-0000-0999 312-734-1000-1999 312-734-2000-2999 312-734-3000-3999 312-734-4000-4999 312-734-5000-5999 312-734-6000-6999 312-734-7000-7999 312-734-8000-8999 312-734-9000-9999

Sample Numbers

(312) 734-0000 (312) 734-1234 (312) 734-2000 (312) 734-3333 (312) 734-4444 (312) 734-5555 (312) 734-6000 (312) 734-7777 (312) 734-8888 (312) 734-9999