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Phone Directory 231-937 Detail

State Major City Time Zone
Michigan Muskegon Eastern

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
231-937 Howard City, MI Frontier North Montcalm Landline 07/22/1999

Other Series For Prefixes

231-9370###
231-9371###
231-9372###
231-9373###
231-9374###
231-9375###
231-9376###
231-9377###
231-9378###
231-9379###