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: SPSNNNZBCM1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
670-285 A Saipan MP 387C PTI PACIFICA INC. 870      
670-286 A Saipan MP 387C PTI PACIFICA INC. 870      
670-287 A Saipan MP 387C PTI PACIFICA INC. 870      
670-838 A Saipan MP 387C PTI PACIFICA INC. 870      
670-848 A Saipan MP 387C PTI PACIFICA INC. 870      
670-858 A Saipan MP 387C PTI PACIFICA INC. 870      
671-456 A Agana GU 387C PTI PACIFICA INC. 871      
671-678 A Agana GU 387C PTI PACIFICA INC. 871      
671-707 A Agana GU 387C PTI PACIFICA INC. 871      
671-727 A Agana GU 387C PTI PACIFICA INC. 871      
671-747 A Agana GU 387C PTI PACIFICA INC. 871      
671-777 A Agana GU 387C PTI PACIFICA INC. 871      
671-797 A Agana GU 387C PTI PACIFICA INC. 871      

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

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