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: RLGJNCBZ2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
919-201 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
919-225 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
919-358 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
919-423 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
919-430 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
919-638 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
919-641 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
919-672 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
919-697 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
919-730 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
919-808 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
919-824 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
919-885 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
919-949 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
984-219 A Durham NC 5562 METROPCS, INC. 426      
984-312 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      
984-377 A Durham NC 8645 SUNCOM DBA T-MOBILE USA 426      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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