Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 570 [Rate centres in NPA 570] [Dial plan for NPA 570]

NXX: 376

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
570-376 A Middlebury Center PA MDCTPAXMRS0  0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      
570-376 0 Middlebury Center PA   0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      
570-376 1 Middlebury Center PA   547E ONVOY, LLC - PA 232   2020-08-17   
570-376 2 Middlebury Center PA   0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      
570-376 3 Middlebury Center PA   0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      
570-376 4 Middlebury Center PA   0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      
570-376 5 Middlebury Center PA   0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      
570-376 6 Middlebury Center PA   3806 CORE COMMUNICATIONS, INC. - PA 232   2019-03-20   
570-376 7 Middlebury Center PA   145J TERRA NOVA TELECOM INC. 232   2025-08-01   
570-376 8 Middlebury Center PA   547E ONVOY, LLC - PA 232   2020-08-17   
570-376 9 Middlebury Center PA   0161 COMMONWEALTH TELEPHONE COMPANY LLC 232      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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