Prefix Information

The prefix 638 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-638-0000 through 815-638-9999).

Browse Numbers in This Prefix

815-638-0000-0999 815-638-1000-1999 815-638-2000-2999 815-638-3000-3999 815-638-4000-4999 815-638-5000-5999 815-638-6000-6999 815-638-7000-7999 815-638-8000-8999 815-638-9000-9999

Sample Numbers

(815) 638-0000 (815) 638-1234 (815) 638-2000 (815) 638-3333 (815) 638-4444 (815) 638-5555 (815) 638-6000 (815) 638-7777 (815) 638-8888 (815) 638-9999