Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HRFRCT0300Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
475-314 A Huntington CT 321J HD CARRIER LLC 920      
475-314 9 Huntington CT 321J HD CARRIER LLC 920   2022-10-03   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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