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: DONNTXDODS0

Remotes:

Switch Switch name Switch type
FLHGTXFHRS0  Falcon Heights  AXR 
SLCYTXSCRS0  Sullivan City  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-461 A Donna TX 9533 SOUTHWESTERN BELL 568      
956-461 2 Donna TX 9533 SOUTHWESTERN BELL 568      
956-461 3 Donna TX 9533 SOUTHWESTERN BELL 568      
956-461 4 Donna TX 9533 SOUTHWESTERN BELL 568      
956-461 5 Donna TX 9533 SOUTHWESTERN BELL 568      
956-461 6 Donna TX 9533 SOUTHWESTERN BELL 568      
956-464 A Donna TX 9533 SOUTHWESTERN BELL 568      

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

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