Prefix Information

The prefix 643 is part of area code 408 serving San Jose, California.

This exchange contains 10,000 possible phone numbers (408-643-0000 through 408-643-9999).

Browse Numbers in This Prefix

408-643-0000-0999 408-643-1000-1999 408-643-2000-2999 408-643-3000-3999 408-643-4000-4999 408-643-5000-5999 408-643-6000-6999 408-643-7000-7999 408-643-8000-8999 408-643-9000-9999

Sample Numbers

(408) 643-0000 (408) 643-1234 (408) 643-2000 (408) 643-3333 (408) 643-4444 (408) 643-5555 (408) 643-6000 (408) 643-7777 (408) 643-8888 (408) 643-9999