Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: WRSPOR52DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
541-553 A Madras OR 9638 QWEST CORPORATION 672      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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