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Phone Directory 406-731 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 731-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-731 Great Falls, MT Qwest Corporation Cascade Landline 02/04/1994

Other Series For Prefixes

406-7310###
406-7311###
406-7312###
406-7313###
406-7314###
406-7315###
406-7316###
406-7317###
406-7318###
406-7319###