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: GNBONCEU51Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
336-205 A Reidsville NC 6630 USA MOBILITY WIRELESS, INC. 424      
336-208 A Winston-Salem NC 6630 USA MOBILITY WIRELESS, INC. 424      
336-216 A Greensboro NC 6630 USA MOBILITY WIRELESS, INC. 424      
336-319 A Greensboro NC 6630 USA MOBILITY WIRELESS, INC. 424      
336-321 A Greensboro NC 6630 USA MOBILITY WIRELESS, INC. 424      
336-507 A Greensboro NC 6630 USA MOBILITY WIRELESS, INC. 424      
336-556 A Greensboro NC 6630 USA MOBILITY WIRELESS, INC. 424      
336-557 A Burlington NC 6630 USA MOBILITY WIRELESS, INC. 424      
336-913 A Greensboro NC 6630 USA MOBILITY WIRELESS, INC. 424      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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