Prefix Information

The prefix 256 is part of area code 773 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (773-256-0000 through 773-256-9999).

Browse Numbers in This Prefix

773-256-0000-0999 773-256-1000-1999 773-256-2000-2999 773-256-3000-3999 773-256-4000-4999 773-256-5000-5999 773-256-6000-6999 773-256-7000-7999 773-256-8000-8999 773-256-9000-9999

Sample Numbers

(773) 256-0000 (773) 256-1234 (773) 256-2000 (773) 256-3333 (773) 256-4444 (773) 256-5555 (773) 256-6000 (773) 256-7777 (773) 256-8888 (773) 256-9999