Prefix Information

The prefix 203 is part of area code 618 serving Belleville, Illinois.

This exchange contains 10,000 possible phone numbers (618-203-0000 through 618-203-9999).

Browse Numbers in This Prefix

618-203-0000-0999 618-203-1000-1999 618-203-2000-2999 618-203-3000-3999 618-203-4000-4999 618-203-5000-5999 618-203-6000-6999 618-203-7000-7999 618-203-8000-8999 618-203-9000-9999

Sample Numbers

(618) 203-0000 (618) 203-1234 (618) 203-2000 (618) 203-3333 (618) 203-4444 (618) 203-5555 (618) 203-6000 (618) 203-7777 (618) 203-8888 (618) 203-9999