Prefix Information

The prefix 999 is part of area code 631 serving Brentwood, New York.

This exchange contains 10,000 possible phone numbers (631-999-0000 through 631-999-9999).

Browse Numbers in This Prefix

631-999-0000-0999 631-999-1000-1999 631-999-2000-2999 631-999-3000-3999 631-999-4000-4999 631-999-5000-5999 631-999-6000-6999 631-999-7000-7999 631-999-8000-8999 631-999-9000-9999

Sample Numbers

(631) 999-0000 (631) 999-1234 (631) 999-2000 (631) 999-3333 (631) 999-4444 (631) 999-5555 (631) 999-6000 (631) 999-7777 (631) 999-8888 (631) 999-9999