Prefix Information

The prefix 491 is part of area code 312 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (312-491-0000 through 312-491-9999).

Browse Numbers in This Prefix

312-491-0000-0999 312-491-1000-1999 312-491-2000-2999 312-491-3000-3999 312-491-4000-4999 312-491-5000-5999 312-491-6000-6999 312-491-7000-7999 312-491-8000-8999 312-491-9000-9999

Sample Numbers

(312) 491-0000 (312) 491-1234 (312) 491-2000 (312) 491-3333 (312) 491-4444 (312) 491-5555 (312) 491-6000 (312) 491-7777 (312) 491-8888 (312) 491-9999