Prefix Information

The prefix 399 is part of area code 445 serving Philadelphia, Pennsylvania.

This exchange contains 10,000 possible phone numbers (445-399-0000 through 445-399-9999).

Browse Numbers in This Prefix

445-399-0000-0999 445-399-1000-1999 445-399-2000-2999 445-399-3000-3999 445-399-4000-4999 445-399-5000-5999 445-399-6000-6999 445-399-7000-7999 445-399-8000-8999 445-399-9000-9999

Sample Numbers

(445) 399-0000 (445) 399-1234 (445) 399-2000 (445) 399-3333 (445) 399-4444 (445) 399-5555 (445) 399-6000 (445) 399-7777 (445) 399-8888 (445) 399-9999