Prefix Information

The prefix 815 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-815-0000 through 312-815-9999).

Browse Numbers in This Prefix

312-815-0000-0999 312-815-1000-1999 312-815-2000-2999 312-815-3000-3999 312-815-4000-4999 312-815-5000-5999 312-815-6000-6999 312-815-7000-7999 312-815-8000-8999 312-815-9000-9999

Sample Numbers

(312) 815-0000 (312) 815-1234 (312) 815-2000 (312) 815-3333 (312) 815-4444 (312) 815-5555 (312) 815-6000 (312) 815-7777 (312) 815-8888 (312) 815-9999