Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-460 2 Shelby MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 A Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 0 Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 1 Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 2 Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 3 Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 4 Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 5 Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 6 Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 7 Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-491 8 Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2016-01-29   
406-491 9 Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2023-10-02   
406-499 A Seeley Lake MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-499 0 Seeley Lake MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-505 A Conrad MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-505 0 Conrad MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2010-11-28   
406-515 A Superior MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-515 0 Superior MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-515 9 Superior MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2021-05-24   
406-553 A Divide MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-559 1 Anaconda MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2025-05-30   
406-559 6 Anaconda MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2010-11-05   
406-564 6 Great Falls MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2010-11-06   
406-576 A Conrad MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-576 9 Conrad MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2024-12-23   
406-593 A Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-593 4 Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2025-02-10   
406-593 6 Butte MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2025-02-10   
406-596 A Dillon MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-597 A Shelby MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-607 0 Kalispell MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2016-06-05   
406-609 A Kalispell MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-609 1 Kalispell MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2023-01-29   
406-609 8 Kalispell MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2021-05-08   
406-609 9 Kalispell MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2021-05-08   
406-610 A Missoula MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2025-03-03   
406-610 5 Missoula MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2026-04-12   
406-610 6 Missoula MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2025-08-29   
406-610 9 Missoula MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2025-03-03   
406-618 0 Missoula MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2026-01-03   
406-660 A Dillon MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-660 0 Dillon MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-660 1 Dillon MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-660 2 Dillon MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-660 7 Dillon MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2014-07-17   
406-660 8 Dillon MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2024-11-10   
406-677 6 Seeley Lake MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2026-05-22   
406-691 A Anaconda MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-691 0 Anaconda MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648      
406-691 9 Anaconda MT 6010 NEW CINGULAR WIRELESS PCS, LLC 648   2015-08-10   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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