Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 447 [Rate centres in NPA 447] [Dial plan for NPA 447]

NXX: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-333 A Bismarck IL CHMPILCPX7Y  965H FRACTEL, LLC 370      
447-333 0 Bismarck IL CHMPILCPX0Y  073H TELNYX LLC 370   2021-03-30   
447-333 1 Bismarck IL CHMPILCPX5Y  624H ONVOY SPECTRUM, LLC 370   2024-05-16   
447-333 2 Bismarck IL CHMPILCPOMD  224C ONVOY, LLC 370   2021-08-09   
447-333 3 Bismarck IL CHMPILCPX7Y  965H FRACTEL, LLC 370   2021-03-29   
447-333 4 Bismarck IL CHMPILCPOMD  224C ONVOY, LLC 370   2021-04-04   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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