Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 644

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-644 A Needham MA   829J PAETEC ITEL, LLC 128      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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