Prefix Information

The prefix 556 is part of area code 650 serving San Mateo, California.

This exchange contains 10,000 possible phone numbers (650-556-0000 through 650-556-9999).

Browse Numbers in This Prefix

650-556-0000-0999 650-556-1000-1999 650-556-2000-2999 650-556-3000-3999 650-556-4000-4999 650-556-5000-5999 650-556-6000-6999 650-556-7000-7999 650-556-8000-8999 650-556-9000-9999

Sample Numbers

(650) 556-0000 (650) 556-1234 (650) 556-2000 (650) 556-3333 (650) 556-4444 (650) 556-5555 (650) 556-6000 (650) 556-7777 (650) 556-8888 (650) 556-9999