Prefix Information

The prefix 251 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-251-0000 through 815-251-9999).

Browse Numbers in This Prefix

815-251-0000-0999 815-251-1000-1999 815-251-2000-2999 815-251-3000-3999 815-251-4000-4999 815-251-5000-5999 815-251-6000-6999 815-251-7000-7999 815-251-8000-8999 815-251-9000-9999

Sample Numbers

(815) 251-0000 (815) 251-1234 (815) 251-2000 (815) 251-3333 (815) 251-4444 (815) 251-5555 (815) 251-6000 (815) 251-7777 (815) 251-8888 (815) 251-9999