Prefix Information

The prefix 644 is part of area code 408 serving San Jose, California.

This exchange contains 10,000 possible phone numbers (408-644-0000 through 408-644-9999).

Browse Numbers in This Prefix

408-644-0000-0999 408-644-1000-1999 408-644-2000-2999 408-644-3000-3999 408-644-4000-4999 408-644-5000-5999 408-644-6000-6999 408-644-7000-7999 408-644-8000-8999 408-644-9000-9999

Sample Numbers

(408) 644-0000 (408) 644-1234 (408) 644-2000 (408) 644-3333 (408) 644-4444 (408) 644-5555 (408) 644-6000 (408) 644-7777 (408) 644-8888 (408) 644-9999