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: 253 [Rate centres in NPA 253] [Dial plan for NPA 253]

NXX: 780

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-780 A Graham WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
253-780 0 Graham WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2017-10-07   
253-780 1 Graham WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2020-11-05   
253-780 2 Graham WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-11-20   
253-780 3 Graham WA TKWLWALL4MD  508J CENTURYLINK COMMUNICATIONS, LLC 674   2015-06-26   
253-780 4 Graham WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2014-08-21   
253-780 5 Graham WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-11-20   
253-780 6 Graham WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2014-09-11   
253-780 7 Graham WA STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2018-03-15   
253-780 8 Graham WA STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2014-11-13   
253-780 9 Graham WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.