Prefix Information

The prefix 642 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-642-0000 through 312-642-9999).

Browse Numbers in This Prefix

312-642-0000-0999 312-642-1000-1999 312-642-2000-2999 312-642-3000-3999 312-642-4000-4999 312-642-5000-5999 312-642-6000-6999 312-642-7000-7999 312-642-8000-8999 312-642-9000-9999

Sample Numbers

(312) 642-0000 (312) 642-1234 (312) 642-2000 (312) 642-3333 (312) 642-4444 (312) 642-5555 (312) 642-6000 (312) 642-7777 (312) 642-8888 (312) 642-9999