Prefix Information

The prefix 623 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-623-0000 through 815-623-9999).

Browse Numbers in This Prefix

815-623-0000-0999 815-623-1000-1999 815-623-2000-2999 815-623-3000-3999 815-623-4000-4999 815-623-5000-5999 815-623-6000-6999 815-623-7000-7999 815-623-8000-8999 815-623-9000-9999

Sample Numbers

(815) 623-0000 (815) 623-1234 (815) 623-2000 (815) 623-3333 (815) 623-4444 (815) 623-5555 (815) 623-6000 (815) 623-7777 (815) 623-8888 (815) 623-9999