Prefix Information

The prefix 639 is part of area code 650 serving San Mateo, California.

This exchange contains 10,000 possible phone numbers (650-639-0000 through 650-639-9999).

Browse Numbers in This Prefix

650-639-0000-0999 650-639-1000-1999 650-639-2000-2999 650-639-3000-3999 650-639-4000-4999 650-639-5000-5999 650-639-6000-6999 650-639-7000-7999 650-639-8000-8999 650-639-9000-9999

Sample Numbers

(650) 639-0000 (650) 639-1234 (650) 639-2000 (650) 639-3333 (650) 639-4444 (650) 639-5555 (650) 639-6000 (650) 639-7777 (650) 639-8888 (650) 639-9999