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.
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Bartlett, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
254-273 A WACOTXWH7MD  516C AT&T CORP. 556   2010-11-14   
254-273 3   7249 BROOKS FIBER PROPERTIES OF TEXAS - TX 556   2017-02-15   
254-273 7   516C AT&T CORP. 556   2010-11-14   
254-527 A BRTLTXBRRS0  9533 SOUTHWESTERN BELL 556      
254-527 1   9533 SOUTHWESTERN BELL 556      
254-527 3   9533 SOUTHWESTERN BELL 556      
254-527 4   9533 SOUTHWESTERN BELL 556      
254-527 7   7575 CENTURYLINK COMMUNICATIONS LLC 556   2014-05-20   
254-527 8   073H TELNYX LLC 556   2019-02-07   
254-527 9   903C ONVOY, LLC - TX 556   2015-08-09   

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

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