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: PHRRTXPHDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-283 A Pharr TX 9533 SOUTHWESTERN BELL 568      
956-283 0 Pharr TX 9533 SOUTHWESTERN BELL 568      
956-283 1 Pharr TX 9533 SOUTHWESTERN BELL 568      
956-283 2 Pharr TX 9533 SOUTHWESTERN BELL 568      
956-283 3 Pharr TX 9533 SOUTHWESTERN BELL 568      
956-283 7 Pharr TX 9533 SOUTHWESTERN BELL 568      
956-283 8 Pharr TX 9533 SOUTHWESTERN BELL 568      
956-283 9 Pharr TX 9533 SOUTHWESTERN BELL 568      
956-354 2 Pharr TX 9533 SOUTHWESTERN BELL 568   2008-06-07   
956-354 3 Pharr TX 9533 SOUTHWESTERN BELL 568   2008-06-07   
956-702 A Pharr TX 9533 SOUTHWESTERN BELL 568      
956-781 A Pharr TX 9533 SOUTHWESTERN BELL 568      
956-782 A Pharr TX 9533 SOUTHWESTERN BELL 568      
956-783 A Pharr TX 9533 SOUTHWESTERN BELL 568      
956-784 A Pharr TX 9533 SOUTHWESTERN BELL 568      
956-784 3 Pharr TX 9533 SOUTHWESTERN BELL 568      
956-784 6 Pharr TX 9533 SOUTHWESTERN BELL 568      
956-784 7 Pharr TX 9533 SOUTHWESTERN BELL 568      
956-784 8 Pharr TX 9533 SOUTHWESTERN BELL 568      
956-787 A Pharr TX 9533 SOUTHWESTERN BELL 568      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.