Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Endicott, WA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
509-657 A ENDCWAXARS0  2437 PIONEER TEL. CO. 676      
509-657 3 ENDCWAXARS0  2437 PIONEER TEL. CO. 676      
509-657 4 ENDCWAXARS0  2437 PIONEER TEL. CO. 676      
509-657 5 ENDCWAXARS0  2437 PIONEER TEL. CO. 676      
509-657 9 ENDCWAXARS0  2437 PIONEER TEL. CO. 676      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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