Prefix Information

The prefix 223 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-223-0000 through 312-223-9999).

Browse Numbers in This Prefix

312-223-0000-0999 312-223-1000-1999 312-223-2000-2999 312-223-3000-3999 312-223-4000-4999 312-223-5000-5999 312-223-6000-6999 312-223-7000-7999 312-223-8000-8999 312-223-9000-9999

Sample Numbers

(312) 223-0000 (312) 223-1234 (312) 223-2000 (312) 223-3333 (312) 223-4444 (312) 223-5555 (312) 223-6000 (312) 223-7777 (312) 223-8888 (312) 223-9999