Local Calling Guide

Area code/prefix search

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NPA: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 704

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-704 A Sebewaing MI SGNWMIFAXKX  543C ONVOY, LLCV - MI 344      
989-704 0 Sebewaing MI   2550 123.NET, LLC 344   2003-03-08   
989-704 1 Sebewaing MI   318J COMCAST IP PHONE, LLC 344   2010-11-30   
989-704 3 Sebewaing MI   991E BANDWIDTH.COM CLEC, LLC - MI 344   2012-06-23   
989-704 4 Sebewaing MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2012-09-03   
989-704 5 Sebewaing MI   516C AT&T CORP. 344   2011-09-30   
989-704 6 Sebewaing MI   543C ONVOY, LLCV - MI 344   2015-08-02   
989-704 7 Sebewaing MI   543C ONVOY, LLCV - MI 344   2016-04-11   
989-704 8 Sebewaing MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2015-12-26   
989-704 9 Sebewaing MI   543C ONVOY, LLCV - MI 344   2023-08-26   

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

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