Prefix Information

The prefix 858 is part of area code 773 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (773-858-0000 through 773-858-9999).

Browse Numbers in This Prefix

773-858-0000-0999 773-858-1000-1999 773-858-2000-2999 773-858-3000-3999 773-858-4000-4999 773-858-5000-5999 773-858-6000-6999 773-858-7000-7999 773-858-8000-8999 773-858-9000-9999

Sample Numbers

(773) 858-0000 (773) 858-1234 (773) 858-2000 (773) 858-3333 (773) 858-4444 (773) 858-5555 (773) 858-6000 (773) 858-7777 (773) 858-8888 (773) 858-9999