Prefix Information

The prefix 665 is part of area code 650 serving San Mateo, California.

This exchange contains 10,000 possible phone numbers (650-665-0000 through 650-665-9999).

Browse Numbers in This Prefix

650-665-0000-0999 650-665-1000-1999 650-665-2000-2999 650-665-3000-3999 650-665-4000-4999 650-665-5000-5999 650-665-6000-6999 650-665-7000-7999 650-665-8000-8999 650-665-9000-9999

Sample Numbers

(650) 665-0000 (650) 665-1234 (650) 665-2000 (650) 665-3333 (650) 665-4444 (650) 665-5555 (650) 665-6000 (650) 665-7777 (650) 665-8888 (650) 665-9999