Prefix Information

The prefix 306 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-306-0000 through 815-306-9999).

Browse Numbers in This Prefix

815-306-0000-0999 815-306-1000-1999 815-306-2000-2999 815-306-3000-3999 815-306-4000-4999 815-306-5000-5999 815-306-6000-6999 815-306-7000-7999 815-306-8000-8999 815-306-9000-9999

Sample Numbers

(815) 306-0000 (815) 306-1234 (815) 306-2000 (815) 306-3333 (815) 306-4444 (815) 306-5555 (815) 306-6000 (815) 306-7777 (815) 306-8888 (815) 306-9999