Prefix Information

The prefix 421 is part of area code 256 serving Huntsville, Alabama.

This exchange contains 10,000 possible phone numbers (256-421-0000 through 256-421-9999).

Browse Numbers in This Prefix

256-421-0000-0999 256-421-1000-1999 256-421-2000-2999 256-421-3000-3999 256-421-4000-4999 256-421-5000-5999 256-421-6000-6999 256-421-7000-7999 256-421-8000-8999 256-421-9000-9999

Sample Numbers

(256) 421-0000 (256) 421-1234 (256) 421-2000 (256) 421-3333 (256) 421-4444 (256) 421-5555 (256) 421-6000 (256) 421-7777 (256) 421-8888 (256) 421-9999