Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]

NXX: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
406-306 A Manhattan MT BLNGMTAS9MD  453F ONVOY, LLC - MT 650      
406-306 0 Manhattan MT   994E BANDWIDTH.COM CLEC, LLC - MT 650   2018-06-07   
406-306 1 Manhattan MT   453F ONVOY, LLC - MT 650   2017-12-22   
406-306 2 Manhattan MT   453F ONVOY, LLC - MT 650   2019-10-28   
406-306 3 Manhattan MT   453F ONVOY, LLC - MT 650   2019-09-15   
406-306 4 Manhattan MT   453F ONVOY, LLC - MT 650   2019-09-15   
406-306 5 Manhattan MT   453F ONVOY, LLC - MT 650   2020-01-05   
406-306 6 Manhattan MT   453F ONVOY, LLC - MT 650   2020-01-05   
406-306 7 Manhattan MT   453F ONVOY, LLC - MT 650   2020-04-04   
406-306 8 Manhattan MT   073H TELNYX LLC 650   2018-07-25   
406-306 9 Manhattan MT   073H TELNYX LLC 650   2020-01-17   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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