Prefix Information

The prefix 109 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-109-0000 through 312-109-9999).

Browse Numbers in This Prefix

312-109-0000-0999 312-109-1000-1999 312-109-2000-2999 312-109-3000-3999 312-109-4000-4999 312-109-5000-5999 312-109-6000-6999 312-109-7000-7999 312-109-8000-8999 312-109-9000-9999

Sample Numbers

(312) 109-0000 (312) 109-1234 (312) 109-2000 (312) 109-3333 (312) 109-4444 (312) 109-5555 (312) 109-6000 (312) 109-7777 (312) 109-8888 (312) 109-9999