Prefix Information

The prefix 638 is part of area code 231 serving Muskegon, Michigan.

This exchange contains 10,000 possible phone numbers (231-638-0000 through 231-638-9999).

Browse Numbers in This Prefix

231-638-0000-0999 231-638-1000-1999 231-638-2000-2999 231-638-3000-3999 231-638-4000-4999 231-638-5000-5999 231-638-6000-6999 231-638-7000-7999 231-638-8000-8999 231-638-9000-9999

Sample Numbers

(231) 638-0000 (231) 638-1234 (231) 638-2000 (231) 638-3333 (231) 638-4444 (231) 638-5555 (231) 638-6000 (231) 638-7777 (231) 638-8888 (231) 638-9999