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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Switch: SPKNWA01X0Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-259 A Sprague WA 1477 INLAND CELLULAR LLC 676      
509-259 0 Sprague WA 1477 INLAND CELLULAR LLC 676      
509-259 7 Sprague WA 1477 INLAND CELLULAR LLC 676      
509-348 A Davenport WA 1477 INLAND CELLULAR LLC 676      
509-348 0 Davenport WA 1477 INLAND CELLULAR LLC 676   2004-06-12   
509-348 1 Davenport WA 1477 INLAND CELLULAR LLC 676   2004-06-12   
509-650 A Ritzville WA 1477 INLAND CELLULAR LLC 676      
509-650 7 Ritzville WA 1477 INLAND CELLULAR LLC 676      
509-650 8 Ritzville WA 1477 INLAND CELLULAR LLC 676      
509-770 A Moses Lake WA 1477 INLAND CELLULAR LLC 676      
509-770 1 Moses Lake WA 1477 INLAND CELLULAR LLC 676      
509-770 6 Moses Lake WA 1477 INLAND CELLULAR LLC 676      
509-770 7 Moses Lake WA 1477 INLAND CELLULAR LLC 676      
509-770 8 Moses Lake WA 1477 INLAND CELLULAR LLC 676      
509-796 6 Reardan WA 1477 INLAND CELLULAR LLC 676   2008-01-28   
509-977 A Creston WA 1477 INLAND CELLULAR LLC 676      
509-977 1 Creston WA 1477 INLAND CELLULAR LLC 676   2004-06-14   
509-977 2 Creston WA 1477 INLAND CELLULAR LLC 676   2004-06-14   
509-988 7 Odessa WA 1477 INLAND CELLULAR LLC 676   2005-04-08   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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