Prefix Information

The prefix 421 is part of area code 408 serving San Jose, California.

This exchange contains 10,000 possible phone numbers (408-421-0000 through 408-421-9999).

Browse Numbers in This Prefix

408-421-0000-0999 408-421-1000-1999 408-421-2000-2999 408-421-3000-3999 408-421-4000-4999 408-421-5000-5999 408-421-6000-6999 408-421-7000-7999 408-421-8000-8999 408-421-9000-9999

Sample Numbers

(408) 421-0000 (408) 421-1234 (408) 421-2000 (408) 421-3333 (408) 421-4444 (408) 421-5555 (408) 421-6000 (408) 421-7777 (408) 421-8888 (408) 421-9999