Prefix Information

The prefix 143 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-143-0000 through 312-143-9999).

Browse Numbers in This Prefix

312-143-0000-0999 312-143-1000-1999 312-143-2000-2999 312-143-3000-3999 312-143-4000-4999 312-143-5000-5999 312-143-6000-6999 312-143-7000-7999 312-143-8000-8999 312-143-9000-9999

Sample Numbers

(312) 143-0000 (312) 143-1234 (312) 143-2000 (312) 143-3333 (312) 143-4444 (312) 143-5555 (312) 143-6000 (312) 143-7777 (312) 143-8888 (312) 143-9999