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: SALMOR59DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
503-304 A Salem OR 9638 QWEST CORPORATION 672      
503-390 A Salem OR 9638 QWEST CORPORATION 672      
503-393 A Salem OR 9638 QWEST CORPORATION 672      
503-463 A Salem OR 9638 QWEST CORPORATION 672      
503-856 A Salem OR 9638 QWEST CORPORATION 672      
503-856 0 Salem OR 9638 QWEST CORPORATION 672      
503-856 1 Salem OR 9638 QWEST CORPORATION 672      
503-856 3 Salem OR 9638 QWEST CORPORATION 672      
503-856 7 Salem OR 9638 QWEST CORPORATION 672      
503-856 8 Salem OR 9638 QWEST CORPORATION 672      
503-856 9 Salem OR 9638 QWEST CORPORATION 672      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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