Prefix Information

The prefix 421 is part of area code 724 serving New Castle, Pennsylvania.

This exchange contains 10,000 possible phone numbers (724-421-0000 through 724-421-9999).

Browse Numbers in This Prefix

724-421-0000-0999 724-421-1000-1999 724-421-2000-2999 724-421-3000-3999 724-421-4000-4999 724-421-5000-5999 724-421-6000-6999 724-421-7000-7999 724-421-8000-8999 724-421-9000-9999

Sample Numbers

(724) 421-0000 (724) 421-1234 (724) 421-2000 (724) 421-3333 (724) 421-4444 (724) 421-5555 (724) 421-6000 (724) 421-7777 (724) 421-8888 (724) 421-9999