Prefix Information

The prefix 623 is part of area code 231 serving Muskegon, Michigan.

This exchange contains 10,000 possible phone numbers (231-623-0000 through 231-623-9999).

Browse Numbers in This Prefix

231-623-0000-0999 231-623-1000-1999 231-623-2000-2999 231-623-3000-3999 231-623-4000-4999 231-623-5000-5999 231-623-6000-6999 231-623-7000-7999 231-623-8000-8999 231-623-9000-9999

Sample Numbers

(231) 623-0000 (231) 623-1234 (231) 623-2000 (231) 623-3333 (231) 623-4444 (231) 623-5555 (231) 623-6000 (231) 623-7777 (231) 623-8888 (231) 623-9999