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: 564 [Rate centres in NPA 564] [Dial plan for NPA 564]

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
564-203 A Port Angeles WA STTLWAWB20Z  478J NUSO, LLC 674   2021-01-16   
564-203 0 Port Angeles WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-06-26   
564-203 1 Port Angeles WA STTLWAWB20Z  478J NUSO, LLC 674   2021-01-16   
564-203 2 Port Angeles WA STTLWA06XLX  506J TWILIO INTERNATIONAL INC 674   2021-02-25   
564-203 3 Port Angeles WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-02-15   
564-203 4 Port Angeles WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-06-26   
564-203 5 Port Angeles WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2022-05-23   
564-203 6 Port Angeles WA   6529 T-MOBILE USA, INC. 674   2022-06-12   
564-203 7 Port Angeles WA STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2021-03-15   
564-203 8 Port Angeles WA PTANWA010MD  6529 T-MOBILE USA, INC. 674   2021-02-27   
564-203 9 Port Angeles WA PTANWA010MD  6529 T-MOBILE USA, INC. 674   2021-02-27   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.