Prefix Information

The prefix 640 is part of area code 408 serving San Jose, California.

This exchange contains 10,000 possible phone numbers (408-640-0000 through 408-640-9999).

Browse Numbers in This Prefix

408-640-0000-0999 408-640-1000-1999 408-640-2000-2999 408-640-3000-3999 408-640-4000-4999 408-640-5000-5999 408-640-6000-6999 408-640-7000-7999 408-640-8000-8999 408-640-9000-9999

Sample Numbers

(408) 640-0000 (408) 640-1234 (408) 640-2000 (408) 640-3333 (408) 640-4444 (408) 640-5555 (408) 640-6000 (408) 640-7777 (408) 640-8888 (408) 640-9999