Local Calling Guide

Area code/prefix search

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NPA: 828 [Rate centres in NPA 828] [Dial plan for NPA 828]

NXX: 370

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
828-370 A Sylva NC SYLVNCXAPS0  0509 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 420      
828-370 0 Sylva NC   6282 UNITED STATES CELLULAR - NC 420   2025-01-24   
828-370 1 Sylva NC SYLVNCXAPS0  0509 FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC 420   2018-12-28   
828-370 2 Sylva NC   792K CHARTER IP ENABLED SERVICES, LLC 420   2021-11-29   
828-370 7 Sylva NC SYLVNCXAMMD  624H ONVOY SPECTRUM, LLC 420   2021-11-01   
828-370 8 Sylva NC AHVLNCOHX6Z  998E BANDWIDTH.COM CLEC, LLC - NC 420   2020-10-05   
828-370 9 Sylva NC   6282 UNITED STATES CELLULAR - NC 420   2025-01-24   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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