Prefix Information

The prefix 401 is part of area code 773 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (773-401-0000 through 773-401-9999).

Browse Numbers in This Prefix

773-401-0000-0999 773-401-1000-1999 773-401-2000-2999 773-401-3000-3999 773-401-4000-4999 773-401-5000-5999 773-401-6000-6999 773-401-7000-7999 773-401-8000-8999 773-401-9000-9999

Sample Numbers

(773) 401-0000 (773) 401-1234 (773) 401-2000 (773) 401-3333 (773) 401-4444 (773) 401-5555 (773) 401-6000 (773) 401-7777 (773) 401-8888 (773) 401-9999