Prefix Information

The prefix 665 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-665-0000 through 815-665-9999).

Browse Numbers in This Prefix

815-665-0000-0999 815-665-1000-1999 815-665-2000-2999 815-665-3000-3999 815-665-4000-4999 815-665-5000-5999 815-665-6000-6999 815-665-7000-7999 815-665-8000-8999 815-665-9000-9999

Sample Numbers

(815) 665-0000 (815) 665-1234 (815) 665-2000 (815) 665-3333 (815) 665-4444 (815) 665-5555 (815) 665-6000 (815) 665-7777 (815) 665-8888 (815) 665-9999