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.

Switch: GNBONCEU21Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
336-839 9 Julian NC 360E YMAX COMMUNICATIONS CORP. - NC 424   2009-01-18   
336-896 3 Winston-Salem NC 360E YMAX COMMUNICATIONS CORP. - NC 424   2011-09-07   
336-917 9 Winston-Salem NC 360E YMAX COMMUNICATIONS CORP. - NC 424   2008-10-18   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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