Prefix Information

The prefix 442 is part of area code 650 serving San Mateo, California.

This exchange contains 10,000 possible phone numbers (650-442-0000 through 650-442-9999).

Browse Numbers in This Prefix

650-442-0000-0999 650-442-1000-1999 650-442-2000-2999 650-442-3000-3999 650-442-4000-4999 650-442-5000-5999 650-442-6000-6999 650-442-7000-7999 650-442-8000-8999 650-442-9000-9999

Sample Numbers

(650) 442-0000 (650) 442-1234 (650) 442-2000 (650) 442-3333 (650) 442-4444 (650) 442-5555 (650) 442-6000 (650) 442-7777 (650) 442-8888 (650) 442-9999