Prefix Information

The prefix 020 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-020-0000 through 312-020-9999).

Browse Numbers in This Prefix

312-020-0000-0999 312-020-1000-1999 312-020-2000-2999 312-020-3000-3999 312-020-4000-4999 312-020-5000-5999 312-020-6000-6999 312-020-7000-7999 312-020-8000-8999 312-020-9000-9999

Sample Numbers

(312) 020-0000 (312) 020-1234 (312) 020-2000 (312) 020-3333 (312) 020-4444 (312) 020-5555 (312) 020-6000 (312) 020-7777 (312) 020-8888 (312) 020-9999