Prefix Information

The prefix 242 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-242-0000 through 312-242-9999).

Browse Numbers in This Prefix

312-242-0000-0999 312-242-1000-1999 312-242-2000-2999 312-242-3000-3999 312-242-4000-4999 312-242-5000-5999 312-242-6000-6999 312-242-7000-7999 312-242-8000-8999 312-242-9000-9999

Sample Numbers

(312) 242-0000 (312) 242-1234 (312) 242-2000 (312) 242-3333 (312) 242-4444 (312) 242-5555 (312) 242-6000 (312) 242-7777 (312) 242-8888 (312) 242-9999