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Phone Directory 406-217 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-217 Great Falls, MT AT&T Local Cascade Landline 08/20/2000

Other Series For Prefixes

406-2170###
406-2171###
406-2172###
406-2173###
406-2174###
406-2175###
406-2176###
406-2177###
406-2178###
406-2179###