Prefix Information

The prefix 142 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-142-0000 through 312-142-9999).

Browse Numbers in This Prefix

312-142-0000-0999 312-142-1000-1999 312-142-2000-2999 312-142-3000-3999 312-142-4000-4999 312-142-5000-5999 312-142-6000-6999 312-142-7000-7999 312-142-8000-8999 312-142-9000-9999

Sample Numbers

(312) 142-0000 (312) 142-1234 (312) 142-2000 (312) 142-3333 (312) 142-4444 (312) 142-5555 (312) 142-6000 (312) 142-7777 (312) 142-8888 (312) 142-9999