Local Calling Guide

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Crystal Falls, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
906-237 A MRQTMIAQDS0  4632 INTERACTIVE SERVICES NETWORK, INC. 342      
906-257 A HNCCMIMN3MD  543C ONVOY, LLCV - MI 342      
906-257 0   543C ONVOY, LLCV - MI 342   2021-02-03   
906-257 1   543C ONVOY, LLCV - MI 342   2021-02-03   
906-257 2   543C ONVOY, LLCV - MI 342   2020-05-10   
906-257 3   543C ONVOY, LLCV - MI 342   2020-05-10   
906-257 4   543C ONVOY, LLCV - MI 342   2020-05-10   
906-257 5   543C ONVOY, LLCV - MI 342   2020-05-10   
906-257 6   543C ONVOY, LLCV - MI 342   2019-02-09   
906-257 7   543C ONVOY, LLCV - MI 342   2020-09-13   
906-257 8   543C ONVOY, LLCV - MI 342   2020-09-12   
906-257 9   543C ONVOY, LLCV - MI 342   2020-09-12   
906-375 A HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2024-03-04   
906-375 0   792K CHARTER IP ENABLED SERVICES, LLC 342   2025-08-10   
906-375 1   624H ONVOY SPECTRUM, LLC 342   2024-06-29   
906-375 8   543C ONVOY, LLCV - MI 342   2023-09-03   
906-874 A CRFLMIAPRP0  4253 BARAGA TELEPHONE COMPANY 342      
906-875 A CRFLMIMNRSA  9323 MICHIGAN BELL TEL CO 342      
906-875 0   9323 MICHIGAN BELL TEL CO 342      
906-875 1   508J CENTURYLINK COMMUNICATIONS, LLC 342   2018-03-09   
906-875 2   543C ONVOY, LLCV - MI 342   2018-06-01   
906-875 3   9323 MICHIGAN BELL TEL CO 342      
906-875 4   9323 MICHIGAN BELL TEL CO 342      
906-875 5   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 342   2012-10-15   
906-875 6   9323 MICHIGAN BELL TEL CO 342      
906-875 7   116F PENINSULA FIBER NETWORK, LLC - MI 342   2013-09-28   
906-875 8   516C AT&T CORP. 342   2012-03-16   
906-875 9   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342   2018-12-10   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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