Prefix Information

The prefix 604 is part of area code 231 serving Muskegon, Michigan.

This exchange contains 10,000 possible phone numbers (231-604-0000 through 231-604-9999).

Browse Numbers in This Prefix

231-604-0000-0999 231-604-1000-1999 231-604-2000-2999 231-604-3000-3999 231-604-4000-4999 231-604-5000-5999 231-604-6000-6999 231-604-7000-7999 231-604-8000-8999 231-604-9000-9999

Sample Numbers

(231) 604-0000 (231) 604-1234 (231) 604-2000 (231) 604-3333 (231) 604-4444 (231) 604-5555 (231) 604-6000 (231) 604-7777 (231) 604-8888 (231) 604-9999