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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Dewatto, WA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
360-372 A DWTOWAXADS0  2423 INLAND TEL CO 674      
360-372 0 DWTOWAXADS0  2423 INLAND TEL CO 674      
360-372 1 DWTOWAXADS0  2423 INLAND TEL CO 674      
360-372 2 DWTOWAXADS0  2423 INLAND TEL CO 674      
360-372 3 DWTOWAXADS0  2423 INLAND TEL CO 674      
360-372 4 DWTOWAXADS0  2423 INLAND TEL CO 674      
360-372 5 DWTOWAXADS0  2423 INLAND TEL CO 674      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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