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: MSSNTXMIDS0

Remotes:

Switch Switch name Switch type
MCALTXHIRS1  Hidalgo  RSC 
ZPTATXZARS0  Zapata  RLC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-205 A Mission TX 9533 SOUTHWESTERN BELL 568      
956-205 4 Mission TX 9533 SOUTHWESTERN BELL 568      
956-205 6 Mission TX 9533 SOUTHWESTERN BELL 568      
956-205 7 Mission TX 9533 SOUTHWESTERN BELL 568      
956-323 A Mission TX 9533 SOUTHWESTERN BELL 568      
956-323 1 Mission TX 9533 SOUTHWESTERN BELL 568      
956-323 2 Mission TX 9533 SOUTHWESTERN BELL 568      
956-323 3 Mission TX 9533 SOUTHWESTERN BELL 568      
956-323 4 Mission TX 9533 SOUTHWESTERN BELL 568      
956-323 5 Mission TX 9533 SOUTHWESTERN BELL 568      
956-323 6 Mission TX 9533 SOUTHWESTERN BELL 568      
956-323 7 Mission TX 9533 SOUTHWESTERN BELL 568      
956-323 8 Mission TX 9533 SOUTHWESTERN BELL 568      
956-323 9 Mission TX 9533 SOUTHWESTERN BELL 568      
956-424 A Mission TX 9533 SOUTHWESTERN BELL 568      
956-424 0 Mission TX 9533 SOUTHWESTERN BELL 568      
956-424 1 Mission TX 9533 SOUTHWESTERN BELL 568      
956-424 3 Mission TX 9533 SOUTHWESTERN BELL 568      
956-424 7 Mission TX 9533 SOUTHWESTERN BELL 568      
956-424 9 Mission TX 9533 SOUTHWESTERN BELL 568      
956-519 A Mission TX 9533 SOUTHWESTERN BELL 568      
956-529 4 Mission TX 9533 SOUTHWESTERN BELL 568      
956-580 A Mission TX 9533 SOUTHWESTERN BELL 568      
956-581 A Mission TX 9533 SOUTHWESTERN BELL 568      
956-583 A Mission TX 9533 SOUTHWESTERN BELL 568      
956-584 A Mission TX 9533 SOUTHWESTERN BELL 568      
956-585 A Mission TX 9533 SOUTHWESTERN BELL 568      

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

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