Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SGNWMIATX2X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-963 0 Elkton MI 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-963 7 Elkton MI 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2020-04-24   
989-963 8 Elkton MI 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2016-03-11   
989-963 9 Elkton MI 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-998 A Owosso MI 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-998 5 Owosso MI 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2024-10-05   
989-998 7 Owosso MI 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2023-09-04   
989-998 9 Owosso MI 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2018-09-15   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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