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: SPSNNNZBCM2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
670-284 A Saipan MP 387C PTI PACIFICA INC. 870      
670-783 A Saipan MP 387C PTI PACIFICA INC. 870      
670-785 A Saipan MP 387C PTI PACIFICA INC. 870      
670-789 A Saipan MP 387C PTI PACIFICA INC. 870      
671-967 A Agana GU 387C PTI PACIFICA INC. 871      
671-971 A Agana GU 387C PTI PACIFICA INC. 871      
671-972 A Agana GU 387C PTI PACIFICA INC. 871      
671-977 A Agana GU 387C PTI PACIFICA INC. 871      
671-987 A Agana GU 387C PTI PACIFICA INC. 871      
671-997 A Agana GU 387C PTI PACIFICA INC. 871      
671-998 A Agana GU 387C PTI PACIFICA INC. 871      

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

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