Prefix Information

The prefix 421 is part of area code 424 serving Santa Monica, California.

This exchange contains 10,000 possible phone numbers (424-421-0000 through 424-421-9999).

Browse Numbers in This Prefix

424-421-0000-0999 424-421-1000-1999 424-421-2000-2999 424-421-3000-3999 424-421-4000-4999 424-421-5000-5999 424-421-6000-6999 424-421-7000-7999 424-421-8000-8999 424-421-9000-9999

Sample Numbers

(424) 421-0000 (424) 421-1234 (424) 421-2000 (424) 421-3333 (424) 421-4444 (424) 421-5555 (424) 421-6000 (424) 421-7777 (424) 421-8888 (424) 421-9999