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: JSTNTXXBRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-242 A Justin PPCP TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-242 0 Justin PPCP TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-526 A Justin TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-526 0 Justin TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2022-12-08   
940-648 A Justin TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-648 0 Justin TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-648 1 Justin TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-648 2 Justin TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-648 3 Justin TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-648 5 Justin TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-648 8 Justin TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-648 9 Justin TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
940-946 4 Justin TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2022-08-24   
940-946 8 Justin TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2021-09-13   

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

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