Prefix Information

The prefix 399 is part of area code 255 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (255-399-0000 through 255-399-9999).

Browse Numbers in This Prefix

255-399-0000-0999 255-399-1000-1999 255-399-2000-2999 255-399-3000-3999 255-399-4000-4999 255-399-5000-5999 255-399-6000-6999 255-399-7000-7999 255-399-8000-8999 255-399-9000-9999

Sample Numbers

(255) 399-0000 (255) 399-1234 (255) 399-2000 (255) 399-3333 (255) 399-4444 (255) 399-5555 (255) 399-6000 (255) 399-7777 (255) 399-8888 (255) 399-9999