Prefix Information

The prefix 342 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-342-0000 through 312-342-9999).

Browse Numbers in This Prefix

312-342-0000-0999 312-342-1000-1999 312-342-2000-2999 312-342-3000-3999 312-342-4000-4999 312-342-5000-5999 312-342-6000-6999 312-342-7000-7999 312-342-8000-8999 312-342-9000-9999

Sample Numbers

(312) 342-0000 (312) 342-1234 (312) 342-2000 (312) 342-3333 (312) 342-4444 (312) 342-5555 (312) 342-6000 (312) 342-7777 (312) 342-8888 (312) 342-9999