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.
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OCN: 3945 GUAM WIRELESS TELEPHONE COMPANY, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
671-682 A Agana GU TMNGGU01CM2  871      
671-683 A Agana GU TMNGGU01CM2  871      
671-685 A Agana GU TMNGGU01CM2  871      
671-686 A Agana GU TMNGGU01CM2  871      
671-687 A Agana GU TMNGGU01CM2  871      
671-688 A Agana GU TMNGGU01CM2  871      
671-689 A Agana GU TMNGGU01CM2  871      
671-787 A Agana GU TMNGGU01CM2  871      
671-788 A Agana GU TMNGGU01CM2  871      
671-929 A Agana GU TMNGGU01CM2  871      
671-988 A Agana GU TMNGGU01CM2  871      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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