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: HSTNTXYA9MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-282 8 Apollo TX 997G LOCAL ACCESS LLC - TX 560   2017-07-14   
281-524 1 Kemah TX 997G LOCAL ACCESS LLC - TX 560   2017-07-14   
346-209 8 Liverpool TX 997G LOCAL ACCESS LLC - TX 560   2017-12-15   
346-256 8 Houston TX 997G LOCAL ACCESS LLC - TX 560   2017-07-14   
346-257 0 Katy TX 997G LOCAL ACCESS LLC - TX 560   2017-07-14   
346-278 0 Manvel TX 997G LOCAL ACCESS LLC - TX 560   2017-12-15   
346-323 9 Humble TX 997G LOCAL ACCESS LLC - TX 560   2017-07-14   
346-706 A Pinehurst TX 997G LOCAL ACCESS LLC - TX 560      
346-706 1 Pinehurst TX 997G LOCAL ACCESS LLC - TX 560   2015-12-05   
832-261 8 Seabrook TX 997G LOCAL ACCESS LLC - TX 560   2017-12-15   
832-436 6 Bammel TX 997G LOCAL ACCESS LLC - TX 560   2017-07-14   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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