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: 656

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
989-656 A Bay Port MI BYPTMIMNRSA  9323 MICHIGAN BELL TEL CO 344      
989-656 1 Bay Port MI   543C ONVOY, LLCV - MI 344   2016-04-14   
989-656 2 Bay Port MI   508J CENTURYLINK COMMUNICATIONS, LLC 344   2016-02-25   
989-656 3 Bay Port MI   543C ONVOY, LLCV - MI 344   2021-03-27   
989-656 4 Bay Port MI   318J COMCAST IP PHONE, LLC 344   2010-11-30   
989-656 5 Bay Port MI   543C ONVOY, LLCV - MI 344   2013-03-15   
989-656 6 Bay Port MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2015-12-20   
989-656 7 Bay Port MI   9323 MICHIGAN BELL TEL CO 344      
989-656 8 Bay Port MI   543C ONVOY, LLCV - MI 344   2015-08-02   
989-656 9 Bay Port MI   543C ONVOY, LLCV - MI 344   2016-04-14   

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

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