Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424      
336-850 1 Monticello NC GNBONCEU27Z  998E BANDWIDTH.COM CLEC, LLC - NC 424      
336-850 2 Monticello NC GNBONCEU24Z  638E ONVOY, LLC - NC 424      
336-850 3 Monticello NC GNBONCEU24Z  638E ONVOY, LLC - NC 424      
336-850 4 Monticello NC GNBONCEU24Z  638E ONVOY, LLC - NC 424      
336-850 5 Monticello NC GNBONCEU24Z  638E ONVOY, LLC - NC 424      
336-850 6 Monticello NC GNBONCEU24Z  638E ONVOY, LLC - NC 424      
336-850 7 Monticello NC GNBONCEU53Z  508J CENTURYLINK COMMUNICATIONS, LLC 424      
336-850 8 Monticello NC GNBPNCEM1MD  073H TELNYX LLC 424      
336-850 9 Monticello NC GNBONCEU24Z  638E ONVOY, LLC - NC 424      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.