Prefix Information

The prefix 542 is part of area code 650 serving San Mateo, California.

This exchange contains 10,000 possible phone numbers (650-542-0000 through 650-542-9999).

Browse Numbers in This Prefix

650-542-0000-0999 650-542-1000-1999 650-542-2000-2999 650-542-3000-3999 650-542-4000-4999 650-542-5000-5999 650-542-6000-6999 650-542-7000-7999 650-542-8000-8999 650-542-9000-9999

Sample Numbers

(650) 542-0000 (650) 542-1234 (650) 542-2000 (650) 542-3333 (650) 542-4444 (650) 542-5555 (650) 542-6000 (650) 542-7777 (650) 542-8888 (650) 542-9999