Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Winthrop, MA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
857-833 8   624H ONVOY SPECTRUM, LLC 128      
857-833 9   624H ONVOY SPECTRUM, LLC 128      

<< 1 2

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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