Prefix Information

The prefix 204 is part of area code 650 serving San Mateo, California.

This exchange contains 10,000 possible phone numbers (650-204-0000 through 650-204-9999).

Browse Numbers in This Prefix

650-204-0000-0999 650-204-1000-1999 650-204-2000-2999 650-204-3000-3999 650-204-4000-4999 650-204-5000-5999 650-204-6000-6999 650-204-7000-7999 650-204-8000-8999 650-204-9000-9999

Sample Numbers

(650) 204-0000 (650) 204-1234 (650) 204-2000 (650) 204-3333 (650) 204-4444 (650) 204-5555 (650) 204-6000 (650) 204-7777 (650) 204-8888 (650) 204-9999