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: 850

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-850 A Monticello NC GNBONCEU53Z  508J CENTURYLINK COMMUNICATIONS, LLC 424      
336-850 0 Monticello NC   998E BANDWIDTH.COM CLEC, LLC - NC 424   2014-04-08   
336-850 1 Monticello NC   998E BANDWIDTH.COM CLEC, LLC - NC 424   2014-07-05   
336-850 2 Monticello NC   638E ONVOY, LLC - NC 424   2016-04-29   
336-850 3 Monticello NC   638E ONVOY, LLC - NC 424   2016-04-11   
336-850 4 Monticello NC   638E ONVOY, LLC - NC 424   2016-04-11   
336-850 5 Monticello NC   638E ONVOY, LLC - NC 424   2016-04-29   
336-850 6 Monticello NC   638E ONVOY, LLC - NC 424   2019-04-06   
336-850 7 Monticello NC   508J CENTURYLINK COMMUNICATIONS, LLC 424   2014-04-05   
336-850 8 Monticello NC   073H TELNYX LLC 424   2018-08-30   
336-850 9 Monticello NC   638E ONVOY, LLC - NC 424   2019-04-06   

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

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