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.

NPA: 360 [Rate centres in NPA 360] [Dial plan for NPA 360]

NXX: 375

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
360-375 A San Juan WA BLKIWAXXRS0  2422 CENTURYTEL OF INTER-ISLAND, INC. DBA CENTURYLINK 674      
360-375 0 San Juan WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2022-08-23   
360-375 1 San Juan WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2022-08-23   
360-375 2 San Juan WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2022-01-01   
360-375 3 San Juan WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-12-17   
360-375 4 San Juan WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2022-01-01   
360-375 5 San Juan WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-04-26   
360-375 6 San Juan WA BLKIWAXXRS0  2422 CENTURYTEL OF INTER-ISLAND, INC. DBA CENTURYLINK 674      
360-375 7 San Juan WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2008-02-04   
360-375 8 San Juan WA STTLWAWB19Z  663D ELTOPIA COMMUNICATIONS, LLC - WA 674   2009-04-24   
360-375 9 San Juan WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2024-10-16   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.