Prefix Information

The prefix 377 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-377-0000 through 815-377-9999).

Browse Numbers in This Prefix

815-377-0000-0999 815-377-1000-1999 815-377-2000-2999 815-377-3000-3999 815-377-4000-4999 815-377-5000-5999 815-377-6000-6999 815-377-7000-7999 815-377-8000-8999 815-377-9000-9999

Sample Numbers

(815) 377-0000 (815) 377-1234 (815) 377-2000 (815) 377-3333 (815) 377-4444 (815) 377-5555 (815) 377-6000 (815) 377-7777 (815) 377-8888 (815) 377-9999