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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OCN: 819C WEST TELECOM SERVICES, LLC - LA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
504-226 0 New Orleans LA   490   2016-09-02   
504-381 0 New Orleans LA   490   2019-11-30   
504-381 1 New Orleans LA   490   2019-11-30   
504-381 2 New Orleans LA   490   2019-11-30   
504-381 8 New Orleans LA   490   2019-11-30   
504-381 9 New Orleans LA   490   2019-11-30   
504-576 8 New Orleans LA   490   2019-10-20   
504-638 A New Orleans LA NWORLAMAY4X  490      
504-638 9 New Orleans LA   490      
985-214 8 Slidell LA   490   2016-09-04   
985-217 1 Houma LA   490   2014-04-25   
985-300 8 Morgan City LA   490   2014-04-25   
985-303 8 Houma LA   490   2016-09-02   
985-316 0 Thibodaux LA   490   2016-09-05   
985-387 9 Thibodaux LA   490   2014-04-25   
985-707 0 Slidell LA   490   2014-04-25   
985-745 8 Morgan City LA   490   2016-09-04   

Last updated: Sun, 31 May 2020 11:59:01 UTC

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