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: UMTLOR57RS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
541-922 A Umatilla OR 9638 QWEST CORPORATION 672      
541-922 0 Umatilla OR 9638 QWEST CORPORATION 672      
541-922 1 Umatilla OR 9638 QWEST CORPORATION 672      
541-922 2 Umatilla OR 9638 QWEST CORPORATION 672      
541-922 3 Umatilla OR 9638 QWEST CORPORATION 672      
541-922 4 Umatilla OR 9638 QWEST CORPORATION 672      
541-922 5 Umatilla OR 9638 QWEST CORPORATION 672      
541-922 6 Umatilla OR 9638 QWEST CORPORATION 672      
541-922 9 Umatilla OR 9638 QWEST CORPORATION 672      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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