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: MCALTXMUDS0

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-992 4 McAllen TX 9533 SOUTHWESTERN BELL 568      
956-992 5 McAllen TX 9533 SOUTHWESTERN BELL 568      
956-992 6 McAllen TX 9533 SOUTHWESTERN BELL 568      
956-992 7 McAllen TX 9533 SOUTHWESTERN BELL 568      
956-992 8 McAllen TX 9533 SOUTHWESTERN BELL 568      
956-992 9 McAllen TX 9533 SOUTHWESTERN BELL 568      
956-994 A McAllen TX 9533 SOUTHWESTERN BELL 568      

<< 1 2

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.