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: CHHLWA01DS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
360-740 A Chehalis WA 9638 QWEST CORPORATION 674      
360-748 A Chehalis WA 9638 QWEST CORPORATION 674      
360-748 0 Chehalis WA 9638 QWEST CORPORATION 674      
360-748 1 Chehalis WA 9638 QWEST CORPORATION 674      
360-748 2 Chehalis WA 9638 QWEST CORPORATION 674      
360-748 3 Chehalis WA 9638 QWEST CORPORATION 674      
360-748 4 Chehalis WA 9638 QWEST CORPORATION 674      
360-748 6 Chehalis WA 9638 QWEST CORPORATION 674      
360-748 7 Chehalis WA 9638 QWEST CORPORATION 674      
360-748 8 Chehalis WA 9638 QWEST CORPORATION 674      
360-748 9 Chehalis WA 9638 QWEST CORPORATION 674      
360-767 A Chehalis WA 9638 QWEST CORPORATION 674      
360-767 0 Chehalis WA 9638 QWEST CORPORATION 674      
360-767 6 Chehalis WA 9638 QWEST CORPORATION 674      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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