Local Calling Guide

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Whitstran, WA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
509-973 A WHTSWAXARS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 676      
509-973 0   4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 676      
509-973 1   145J TERRA NOVA TELECOM INC. 676   2025-07-24   
509-973 2   4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 676      
509-973 3   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676      
509-973 5   483E ONVOY, LLC - WA 676   2020-07-20   
509-973 6   508J CENTURYLINK COMMUNICATIONS, LLC 676   2015-01-28   
509-973 7   483E ONVOY, LLC - WA 676   2021-11-20   
509-973 8   483E ONVOY, LLC - WA 676   2021-06-27   
509-973 9   483E ONVOY, LLC - WA 676   2021-06-27   

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

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