Prefix Information

The prefix 856 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-856-0000 through 815-856-9999).

Browse Numbers in This Prefix

815-856-0000-0999 815-856-1000-1999 815-856-2000-2999 815-856-3000-3999 815-856-4000-4999 815-856-5000-5999 815-856-6000-6999 815-856-7000-7999 815-856-8000-8999 815-856-9000-9999

Sample Numbers

(815) 856-0000 (815) 856-1234 (815) 856-2000 (815) 856-3333 (815) 856-4444 (815) 856-5555 (815) 856-6000 (815) 856-7777 (815) 856-8888 (815) 856-9999