Prefix Information

The prefix 421 is part of area code 972 serving Dallas, Texas.

This exchange contains 10,000 possible phone numbers (972-421-0000 through 972-421-9999).

Browse Numbers in This Prefix

972-421-0000-0999 972-421-1000-1999 972-421-2000-2999 972-421-3000-3999 972-421-4000-4999 972-421-5000-5999 972-421-6000-6999 972-421-7000-7999 972-421-8000-8999 972-421-9000-9999

Sample Numbers

(972) 421-0000 (972) 421-1234 (972) 421-2000 (972) 421-3333 (972) 421-4444 (972) 421-5555 (972) 421-6000 (972) 421-7777 (972) 421-8888 (972) 421-9999