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Phone Directory 406-429 Detail

State Major City Time Zone
Montana Billings Mountain

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Example: (406) 429-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
406-429 Winnett, MT Mid-rivers Telephone Cooperative Petroleum Landline 02/04/1994

Other Series For Prefixes

406-4290###
406-4291###
406-4292###
406-4293###
406-4294###
406-4295###
406-4296###
406-4297###
406-4298###
406-4299###