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.
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OCN: 2437 PIONEER TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
509-549 A Lacrosse WA LCRSWAXADS1  676      
509-549 2 Lacrosse WA LCRSWAXADS1  676      
509-549 3 Lacrosse WA LCRSWAXADS1  676      
509-549 4 Lacrosse WA LCRSWAXADS1  676      
509-549 5 Lacrosse WA LCRSWAXADS1  676      
509-549 6 Lacrosse WA LCRSWAXADS1  676      
509-549 7 Lacrosse WA LCRSWAXADS1  676      
509-549 9 Lacrosse WA LCRSWAXADS1  676      
509-657 A Endicott WA ENDCWAXARS0  676      
509-657 3 Endicott WA ENDCWAXARS0  676      
509-657 4 Endicott WA ENDCWAXARS0  676      
509-657 5 Endicott WA ENDCWAXARS0  676      
509-657 9 Endicott WA ENDCWAXARS0  676      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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