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: 425 [Rate centres in NPA 425] [Dial plan for NPA 425]

NXX: 648

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-648 A Halls Lake WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-648 0 Halls Lake WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
425-648 1 Halls Lake WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-648 2 Halls Lake WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-648 3 Halls Lake WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-648 4 Halls Lake WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-648 5 Halls Lake WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-648 6 Halls Lake WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-648 7 Halls Lake WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-648 8 Halls Lake WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
425-648 9 Halls Lake WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.