Prefix Information

The prefix 491 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-491-0000 through 815-491-9999).

Browse Numbers in This Prefix

815-491-0000-0999 815-491-1000-1999 815-491-2000-2999 815-491-3000-3999 815-491-4000-4999 815-491-5000-5999 815-491-6000-6999 815-491-7000-7999 815-491-8000-8999 815-491-9000-9999

Sample Numbers

(815) 491-0000 (815) 491-1234 (815) 491-2000 (815) 491-3333 (815) 491-4444 (815) 491-5555 (815) 491-6000 (815) 491-7777 (815) 491-8888 (815) 491-9999