Prefix Information

The prefix 643 is part of area code 650 serving San Mateo, California.

This exchange contains 10,000 possible phone numbers (650-643-0000 through 650-643-9999).

Browse Numbers in This Prefix

650-643-0000-0999 650-643-1000-1999 650-643-2000-2999 650-643-3000-3999 650-643-4000-4999 650-643-5000-5999 650-643-6000-6999 650-643-7000-7999 650-643-8000-8999 650-643-9000-9999

Sample Numbers

(650) 643-0000 (650) 643-1234 (650) 643-2000 (650) 643-3333 (650) 643-4444 (650) 643-5555 (650) 643-6000 (650) 643-7777 (650) 643-8888 (650) 643-9999