Prefix Information

The prefix 843 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-843-0000 through 312-843-9999).

Browse Numbers in This Prefix

312-843-0000-0999 312-843-1000-1999 312-843-2000-2999 312-843-3000-3999 312-843-4000-4999 312-843-5000-5999 312-843-6000-6999 312-843-7000-7999 312-843-8000-8999 312-843-9000-9999

Sample Numbers

(312) 843-0000 (312) 843-1234 (312) 843-2000 (312) 843-3333 (312) 843-4444 (312) 843-5555 (312) 843-6000 (312) 843-7777 (312) 843-8888 (312) 843-9999