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Phone Directory 406-661 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-661 Billings, MT Sprint Spectrum L.p.- Mt Yellowstone Cell Number 08/20/2000

Other Series For Prefixes

406-6610###
406-6611###
406-6612###
406-6613###
406-6614###
406-6615###
406-6616###
406-6617###
406-6618###
406-6619###