Prefix Information

The prefix 623 is part of area code 773 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (773-623-0000 through 773-623-9999).

Browse Numbers in This Prefix

773-623-0000-0999 773-623-1000-1999 773-623-2000-2999 773-623-3000-3999 773-623-4000-4999 773-623-5000-5999 773-623-6000-6999 773-623-7000-7999 773-623-8000-8999 773-623-9000-9999

Sample Numbers

(773) 623-0000 (773) 623-1234 (773) 623-2000 (773) 623-3333 (773) 623-4444 (773) 623-5555 (773) 623-6000 (773) 623-7777 (773) 623-8888 (773) 623-9999