Prefix Information

The prefix 401 is part of area code 815 serving Rockford, Illinois.

This exchange contains 10,000 possible phone numbers (815-401-0000 through 815-401-9999).

Browse Numbers in This Prefix

815-401-0000-0999 815-401-1000-1999 815-401-2000-2999 815-401-3000-3999 815-401-4000-4999 815-401-5000-5999 815-401-6000-6999 815-401-7000-7999 815-401-8000-8999 815-401-9000-9999

Sample Numbers

(815) 401-0000 (815) 401-1234 (815) 401-2000 (815) 401-3333 (815) 401-4444 (815) 401-5555 (815) 401-6000 (815) 401-7777 (815) 401-8888 (815) 401-9999