Prefix Information

The prefix 373 is part of area code 773 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (773-373-0000 through 773-373-9999).

Browse Numbers in This Prefix

773-373-0000-0999 773-373-1000-1999 773-373-2000-2999 773-373-3000-3999 773-373-4000-4999 773-373-5000-5999 773-373-6000-6999 773-373-7000-7999 773-373-8000-8999 773-373-9000-9999

Sample Numbers

(773) 373-0000 (773) 373-1234 (773) 373-2000 (773) 373-3333 (773) 373-4444 (773) 373-5555 (773) 373-6000 (773) 373-7777 (773) 373-8888 (773) 373-9999