Prefix Information

The prefix 399 is part of area code 231 serving Muskegon, Michigan.

This exchange contains 10,000 possible phone numbers (231-399-0000 through 231-399-9999).

Browse Numbers in This Prefix

231-399-0000-0999 231-399-1000-1999 231-399-2000-2999 231-399-3000-3999 231-399-4000-4999 231-399-5000-5999 231-399-6000-6999 231-399-7000-7999 231-399-8000-8999 231-399-9000-9999

Sample Numbers

(231) 399-0000 (231) 399-1234 (231) 399-2000 (231) 399-3333 (231) 399-4444 (231) 399-5555 (231) 399-6000 (231) 399-7777 (231) 399-8888 (231) 399-9999