Prefix Information

The prefix 640 is part of area code 231 serving Muskegon, Michigan.

This exchange contains 10,000 possible phone numbers (231-640-0000 through 231-640-9999).

Browse Numbers in This Prefix

231-640-0000-0999 231-640-1000-1999 231-640-2000-2999 231-640-3000-3999 231-640-4000-4999 231-640-5000-5999 231-640-6000-6999 231-640-7000-7999 231-640-8000-8999 231-640-9000-9999

Sample Numbers

(231) 640-0000 (231) 640-1234 (231) 640-2000 (231) 640-3333 (231) 640-4444 (231) 640-5555 (231) 640-6000 (231) 640-7777 (231) 640-8888 (231) 640-9999