Local Calling Guide

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NPA: 570 [Rate centres in NPA 570] [Dial plan for NPA 570]

NXX: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
570-631 A Dallas PA DLLSPAXDDS1  0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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