Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   483E ONVOY, LLC - WA 674   2017-10-07   
253-780 1 Graham WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2020-11-05   
253-780 2 Graham WA   483E ONVOY, LLC - WA 674   2020-11-20   
253-780 3 Graham WA   508J CENTURYLINK COMMUNICATIONS, LLC 674   2015-06-26   
253-780 4 Graham WA   318J COMCAST IP PHONE, LLC 674   2014-08-21   
253-780 5 Graham WA   483E ONVOY, LLC - WA 674   2020-11-20   
253-780 6 Graham WA   483E ONVOY, LLC - WA 674   2014-09-11   
253-780 7 Graham WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2018-03-15   
253-780 8 Graham WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2014-11-13   
253-780 9 Graham WA   483E ONVOY, LLC - WA 674      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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