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Phone Directory 406-237 Detail

State Major City Time Zone
Montana Billings Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-237 Billings, MT Qwest Corporation Yellowstone Landline 07/06/1997

Other Series For Prefixes

406-2370###
406-2371###
406-2372###
406-2373###
406-2374###
406-2375###
406-2376###
406-2377###
406-2378###
406-2379###