Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
336-604 0 Greensboro NC 638E ONVOY, LLC - NC 424   2017-04-20   
336-604 6 Greensboro NC 638E ONVOY, LLC - NC 424   2018-06-17   
336-606 1 Sandy Ridge NC 638E ONVOY, LLC - NC 424   2017-04-26   
336-606 3 Sandy Ridge NC 638E ONVOY, LLC - NC 424   2019-03-22   
336-606 4 Sandy Ridge NC 638E ONVOY, LLC - NC 424   2019-03-22   
336-606 5 Sandy Ridge NC 638E ONVOY, LLC - NC 424   2020-12-27   
336-606 6 Sandy Ridge NC 638E ONVOY, LLC - NC 424   2020-12-27   
336-608 5 Winston-Salem NC 638E ONVOY, LLC - NC 424   2008-10-18   
336-608 6 Winston-Salem NC 638E ONVOY, LLC - NC 424   2008-10-18   
336-609 A Greensboro NC 638E ONVOY, LLC - NC 424      
336-609 7 Greensboro NC 638E ONVOY, LLC - NC 424   2007-09-14   
336-609 8 Greensboro NC 638E ONVOY, LLC - NC 424   2019-05-18   
336-642 2 Rural Hall NC 638E ONVOY, LLC - NC 424   2021-03-28   
336-642 3 Rural Hall NC 638E ONVOY, LLC - NC 424   2020-11-07   
336-642 5 Rural Hall NC 638E ONVOY, LLC - NC 424   2021-03-28   
336-644 3 Summerfield NC 638E ONVOY, LLC - NC 424   2008-06-05   
336-644 5 Summerfield NC 638E ONVOY, LLC - NC 424   2025-10-26   
336-645 A Greensboro NC 638E ONVOY, LLC - NC 424      
336-645 1 Greensboro NC 638E ONVOY, LLC - NC 424   2012-10-11   
336-646 6 Greensboro NC 638E ONVOY, LLC - NC 424   2018-01-15   
336-646 7 Greensboro NC 638E ONVOY, LLC - NC 424   2018-01-15   
336-647 0 Roxboro NC 638E ONVOY, LLC - NC 424   2019-04-06   
336-647 1 Roxboro NC 638E ONVOY, LLC - NC 424   2019-04-06   
336-647 3 Roxboro NC 638E ONVOY, LLC - NC 424   2022-09-30   
336-647 6 Roxboro NC 638E ONVOY, LLC - NC 424   2024-11-10   
336-647 7 Roxboro NC 638E ONVOY, LLC - NC 424   2022-09-30   
336-647 8 Roxboro NC 638E ONVOY, LLC - NC 424   2022-09-30   
336-652 3 Kimesville NC 638E ONVOY, LLC - NC 424   2014-01-04   
336-652 5 Kimesville NC 638E ONVOY, LLC - NC 424   2016-03-14   
336-652 6 Kimesville NC 638E ONVOY, LLC - NC 424   2016-03-14   
336-652 8 Kimesville NC 638E ONVOY, LLC - NC 424   2016-04-29   
336-656 2 Monticello NC 638E ONVOY, LLC - NC 424   2014-01-04   
336-664 8 Greensboro NC 638E ONVOY, LLC - NC 424   2015-12-23   
336-666 2 Winston-Salem NC 638E ONVOY, LLC - NC 424   2018-06-25   
336-666 5 Winston-Salem NC 638E ONVOY, LLC - NC 424   2017-06-23   
336-697 6 Greensboro NC 638E ONVOY, LLC - NC 424   2015-12-23   
336-701 8 Winston-Salem NC 638E ONVOY, LLC - NC 424   2014-08-31   
336-704 A Kernersville NC 638E ONVOY, LLC - NC 424      
336-704 2 Kernersville NC 638E ONVOY, LLC - NC 424   2023-10-02   
336-704 3 Kernersville NC 638E ONVOY, LLC - NC 424   2026-05-09   
336-704 8 Kernersville NC 638E ONVOY, LLC - NC 424   2024-03-08   
336-704 9 Kernersville NC 638E ONVOY, LLC - NC 424   2024-03-08   
336-705 6 Winston-Salem NC 638E ONVOY, LLC - NC 424   2008-10-18   
336-715 A Julian NC 638E ONVOY, LLC - NC 424      
336-715 2 Julian NC 638E ONVOY, LLC - NC 424   2016-03-14   
336-715 3 Julian NC 638E ONVOY, LLC - NC 424   2014-02-08   
336-715 4 Julian NC 638E ONVOY, LLC - NC 424   2016-03-14   
336-715 5 Julian NC 638E ONVOY, LLC - NC 424   2016-04-29   
336-715 6 Julian NC 638E ONVOY, LLC - NC 424   2016-04-29   
336-717 0 Stoneville NC 638E ONVOY, LLC - NC 424   2019-04-05   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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