Prefix Information

The prefix 123 is part of area code 231 serving Muskegon, Michigan.

This exchange contains 10,000 possible phone numbers (231-123-0000 through 231-123-9999).

Browse Numbers in This Prefix

231-123-0000-0999 231-123-1000-1999 231-123-2000-2999 231-123-3000-3999 231-123-4000-4999 231-123-5000-5999 231-123-6000-6999 231-123-7000-7999 231-123-8000-8999 231-123-9000-9999

Sample Numbers

(231) 123-0000 (231) 123-1234 (231) 123-2000 (231) 123-3333 (231) 123-4444 (231) 123-5555 (231) 123-6000 (231) 123-7777 (231) 123-8888 (231) 123-9999