Prefix Information

The prefix 099 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-099-0000 through 312-099-9999).

Browse Numbers in This Prefix

312-099-0000-0999 312-099-1000-1999 312-099-2000-2999 312-099-3000-3999 312-099-4000-4999 312-099-5000-5999 312-099-6000-6999 312-099-7000-7999 312-099-8000-8999 312-099-9000-9999

Sample Numbers

(312) 099-0000 (312) 099-1234 (312) 099-2000 (312) 099-3333 (312) 099-4444 (312) 099-5555 (312) 099-6000 (312) 099-7777 (312) 099-8888 (312) 099-9999