Prefix Information

The prefix 421 is part of area code 872 serving Chicago, Illinois.

This exchange contains 10,000 possible phone numbers (872-421-0000 through 872-421-9999).

Browse Numbers in This Prefix

872-421-0000-0999 872-421-1000-1999 872-421-2000-2999 872-421-3000-3999 872-421-4000-4999 872-421-5000-5999 872-421-6000-6999 872-421-7000-7999 872-421-8000-8999 872-421-9000-9999

Sample Numbers

(872) 421-0000 (872) 421-1234 (872) 421-2000 (872) 421-3333 (872) 421-4444 (872) 421-5555 (872) 421-6000 (872) 421-7777 (872) 421-8888 (872) 421-9999