Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 989 [Rate centres in NPA 989] [Dial plan for NPA 989]

NXX: 747

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-747 A Oscoda MI OSCDMIMNRSA  9323 MICHIGAN BELL TEL CO 344      
989-747 0 Oscoda MI   9323 MICHIGAN BELL TEL CO 344      
989-747 1 Oscoda MI   543C ONVOY, LLCV - MI 344   2016-03-25   
989-747 2 Oscoda MI   543C ONVOY, LLCV - MI 344   2016-03-25   
989-747 3 Oscoda MI   046L CLEAR RATE COMMUNICATIONS, LLC 344   2009-11-14   
989-747 4 Oscoda MI   543C ONVOY, LLCV - MI 344   2012-10-13   
989-747 5 Oscoda MI   508J CENTURYLINK COMMUNICATIONS, LLC 344   2015-05-06   
989-747 6 Oscoda MI   829J PAETEC ITEL, LLC 344   2005-04-20   
989-747 8 Oscoda MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2004-12-24   
989-747 9 Oscoda MI   116F PENINSULA FIBER NETWORK, LLC - MI 344   2019-03-04   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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