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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Switch: TUMNGU01CM0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
670-868 A Saipan MP 387C PTI PACIFICA INC. 870      
670-878 A Saipan MP 387C PTI PACIFICA INC. 870      
670-888 A Saipan MP 387C PTI PACIFICA INC. 870      
670-898 A Saipan MP 387C PTI PACIFICA INC. 870      
671-868 A Agana GU 387C PTI PACIFICA INC. 871      
671-878 A Agana GU 387C PTI PACIFICA INC. 871      
671-888 A Agana GU 1085 CHOICE PHONE, LLC DBA ICONN 871      
671-898 A Agana GU 1085 CHOICE PHONE, LLC DBA ICONN 871      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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