Local Calling Guide

Area code/prefix search

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Winston-Salem, NC

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
743-999 1 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2016-07-31   
743-999 2 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2016-07-31   
743-999 3 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2016-07-31   
743-999 4 KRVLNCARBMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 424   2016-07-31   
743-999 5 GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424   2016-08-18   
743-999 6 GNBONCEU24Z  638E ONVOY, LLC - NC 424   2018-04-16   
743-999 7 GNBONCCKX9X  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 424   2017-12-09   
743-999 8 GNBONCEU24Z  638E ONVOY, LLC - NC 424   2016-11-11   
743-999 9 GNBPNCEMDS1  350F PEERLESS NETWORK OF NORTH CAROLINA, LLC - NC 424   2016-05-28   

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Last updated: Sun, 01 Nov 2026 02:11:49 UTC

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