Prefix Information

The prefix 304 is part of area code 773 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (773-304-0000 through 773-304-9999).

Browse Numbers in This Prefix

773-304-0000-0999 773-304-1000-1999 773-304-2000-2999 773-304-3000-3999 773-304-4000-4999 773-304-5000-5999 773-304-6000-6999 773-304-7000-7999 773-304-8000-8999 773-304-9000-9999

Sample Numbers

(773) 304-0000 (773) 304-1234 (773) 304-2000 (773) 304-3333 (773) 304-4444 (773) 304-5555 (773) 304-6000 (773) 304-7777 (773) 304-8888 (773) 304-9999