Prefix Information

The prefix 604 is part of area code 773 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (773-604-0000 through 773-604-9999).

Browse Numbers in This Prefix

773-604-0000-0999 773-604-1000-1999 773-604-2000-2999 773-604-3000-3999 773-604-4000-4999 773-604-5000-5999 773-604-6000-6999 773-604-7000-7999 773-604-8000-8999 773-604-9000-9999

Sample Numbers

(773) 604-0000 (773) 604-1234 (773) 604-2000 (773) 604-3333 (773) 604-4444 (773) 604-5555 (773) 604-6000 (773) 604-7777 (773) 604-8888 (773) 604-9999