Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 336 [Rate centres in NPA 336] [Dial plan for NPA 336]

NXX: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-900 A Greensboro NC GNBONCEU24Z  638E ONVOY, LLC - NC 424      
336-900 0 Greensboro NC   638E ONVOY, LLC - NC 424   2015-05-14   
336-900 1 Greensboro NC   638E ONVOY, LLC - NC 424   2015-05-14   
336-900 2 Greensboro NC   638E ONVOY, LLC - NC 424   2015-05-14   
336-900 3 Greensboro NC   638E ONVOY, LLC - NC 424   2015-07-30   
336-900 4 Greensboro NC   638E ONVOY, LLC - NC 424   2015-07-30   
336-900 5 Greensboro NC   638E ONVOY, LLC - NC 424   2015-07-30   
336-900 6 Greensboro NC   638E ONVOY, LLC - NC 424   2015-07-30   
336-900 7 Greensboro NC   638E ONVOY, LLC - NC 424   2015-07-30   
336-900 8 Greensboro NC   638E ONVOY, LLC - NC 424   2015-07-30   
336-900 9 Greensboro NC   638E ONVOY, LLC - NC 424   2015-07-30   

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

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