Prefix Information

The prefix 391 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-391-0000 through 815-391-9999).

Browse Numbers in This Prefix

815-391-0000-0999 815-391-1000-1999 815-391-2000-2999 815-391-3000-3999 815-391-4000-4999 815-391-5000-5999 815-391-6000-6999 815-391-7000-7999 815-391-8000-8999 815-391-9000-9999

Sample Numbers

(815) 391-0000 (815) 391-1234 (815) 391-2000 (815) 391-3333 (815) 391-4444 (815) 391-5555 (815) 391-6000 (815) 391-7777 (815) 391-8888 (815) 391-9999