Prefix Information

The prefix 623 is part of area code 618 serving Belleville, Illinois.

This exchange contains 10,000 possible phone numbers (618-623-0000 through 618-623-9999).

Browse Numbers in This Prefix

618-623-0000-0999 618-623-1000-1999 618-623-2000-2999 618-623-3000-3999 618-623-4000-4999 618-623-5000-5999 618-623-6000-6999 618-623-7000-7999 618-623-8000-8999 618-623-9000-9999

Sample Numbers

(618) 623-0000 (618) 623-1234 (618) 623-2000 (618) 623-3333 (618) 623-4444 (618) 623-5555 (618) 623-6000 (618) 623-7777 (618) 623-8888 (618) 623-9999