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: HRLNTXHGYMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-223 A Pharr TX 583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568      
956-230 A Harlingen TX 583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568      
956-277 A La Feria TX 583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568      
956-545 A Brownsville TX 583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568      
956-621 A Brownsville TX 583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568      
956-627 A McAllen TX 583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568      
956-800 A McAllen TX 583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568   2011-01-09   
956-854 A Weslaco TX 583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568      
956-903 A Mercedes TX 583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 568      

Last updated: Wed, 01 Apr 2020 02:09:16 UTC

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