Local Calling Guide

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NPA: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 426

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-426 A Ipswich SD HRRDSDXADS1  1685 VALLEY TELECOM COOP. ASSN., INC. 640      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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