Prefix Information

The prefix 421 is part of area code 405 serving Oklahoma City, Oklahoma.

This exchange contains 10,000 possible phone numbers (405-421-0000 through 405-421-9999).

Browse Numbers in This Prefix

405-421-0000-0999 405-421-1000-1999 405-421-2000-2999 405-421-3000-3999 405-421-4000-4999 405-421-5000-5999 405-421-6000-6999 405-421-7000-7999 405-421-8000-8999 405-421-9000-9999

Sample Numbers

(405) 421-0000 (405) 421-1234 (405) 421-2000 (405) 421-3333 (405) 421-4444 (405) 421-5555 (405) 421-6000 (405) 421-7777 (405) 421-8888 (405) 421-9999