Prefix Information

The prefix 240 is part of area code 650 serving San Mateo, California.

This exchange contains 10,000 possible phone numbers (650-240-0000 through 650-240-9999).

Browse Numbers in This Prefix

650-240-0000-0999 650-240-1000-1999 650-240-2000-2999 650-240-3000-3999 650-240-4000-4999 650-240-5000-5999 650-240-6000-6999 650-240-7000-7999 650-240-8000-8999 650-240-9000-9999

Sample Numbers

(650) 240-0000 (650) 240-1234 (650) 240-2000 (650) 240-3333 (650) 240-4444 (650) 240-5555 (650) 240-6000 (650) 240-7777 (650) 240-8888 (650) 240-9999