Prefix Information

The prefix 421 is part of area code 251 serving Mobile, Alabama.

This exchange contains 10,000 possible phone numbers (251-421-0000 through 251-421-9999).

Browse Numbers in This Prefix

251-421-0000-0999 251-421-1000-1999 251-421-2000-2999 251-421-3000-3999 251-421-4000-4999 251-421-5000-5999 251-421-6000-6999 251-421-7000-7999 251-421-8000-8999 251-421-9000-9999

Sample Numbers

(251) 421-0000 (251) 421-1234 (251) 421-2000 (251) 421-3333 (251) 421-4444 (251) 421-5555 (251) 421-6000 (251) 421-7777 (251) 421-8888 (251) 421-9999