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Phone Directory 231-637 Detail

State Major City Time Zone
Michigan Muskegon Eastern

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Example: (231) 637-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
231-637 Northport, MI Telnet Worldwide Leelanau Landline 08/31/2001

Other Series For Prefixes

231-6370###
231-6371###
231-6372###
231-6373###
231-6374###
231-6375###
231-6376###
231-6377###
231-6378###
231-6379###