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.

OCN: 8645 SUNCOM DBA T-MOBILE USA

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
423-677 1 Fall Branch TN   956      
423-677 2 Fall Branch TN   956      
423-677 3 Fall Branch TN   956      
423-677 4 Fall Branch TN   956   2009-10-23   
423-677 5 Fall Branch TN   956      
423-677 6 Fall Branch TN   956      
423-677 7 Fall Branch TN   956      
423-677 8 Fall Branch TN   956      
423-677 9 Fall Branch TN   956      
423-773 A Johnson City TN JHCYTNDD2MD  956      
423-833 A Johnson City TN JHCYTNDD2MD  956      
423-833 1 Johnson City TN   956   2003-10-29   
423-833 2 Johnson City TN   956   2003-10-29   
423-833 3 Johnson City TN   956   2003-10-29   
423-833 4 Johnson City TN   956   2003-10-29   
423-833 5 Johnson City TN   956   2003-10-29   
423-833 6 Johnson City TN   956   2003-10-29   
423-845 7 Bristol TN   956   2015-08-21   
423-845 8 Bristol TN   956   2015-08-21   
423-930 2 Johnson City TN   956   2009-05-21   
704-231 A Charlotte NC CHRONCNA1MD  422      
704-232 A Salisbury NC CHRONCNA1MD  422      
704-232 0 Salisbury NC   422      
704-232 1 Salisbury NC   422      
704-232 2 Salisbury NC   422      
704-232 3 Salisbury NC   422      
704-232 4 Salisbury NC   422      
704-232 5 Salisbury NC   422      
704-232 6 Salisbury NC   422      
704-232 7 Salisbury NC   422      
704-232 8 Salisbury NC   422      
704-236 A Charlotte NC CHRONCNA0MD  422      
704-241 A Charlotte NC CHRONCNA0MD  422      
704-241 0 Charlotte NC   422      
704-241 1 Charlotte NC   422      
704-241 2 Charlotte NC   422      
704-241 3 Charlotte NC   422      
704-241 4 Charlotte NC   422      
704-241 9 Charlotte NC   422      
704-252 A Statesville NC CHRONCNA1MD  422      
704-252 0 Statesville NC   422      
704-252 1 Statesville NC   422      
704-252 2 Statesville NC   422      
704-252 3 Statesville NC   422      
704-252 4 Statesville NC   422      
704-253 0 Statesville NC   422   2005-08-26   
704-253 3 Statesville NC   422   2004-12-16   
704-345 A Charlotte NC CHRONCNA0MD  422      
704-345 0 Charlotte NC   422      
704-345 1 Charlotte NC   422      

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Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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