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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
225-257 3 Donaldsonville LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2010-04-15   
225-271 2 Denham Springs LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2007-07-13   
225-283 3 Livingston LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2011-01-20   
225-306 3 Zachary LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2008-07-30   
225-314 2 St Gabriel LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2009-11-15   
225-372 3 Baton Rouge LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2010-03-17   
225-399 3 Convent LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2015-01-05   
225-407 4 Baton Rouge LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2013-08-19   
225-442 3 Baton Rouge LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2014-10-14   
225-471 A Lutcher LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492      
225-471 3 Lutcher LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2022-03-31   
225-532 3 Albany LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2011-01-20   
225-605 A Clinton LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492      
225-605 3 Clinton LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2017-01-30   
225-614 A Baton Rouge LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492      
225-614 9 Baton Rouge LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492      
225-663 3 Baton Rouge LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2007-03-19   
225-663 4 Baton Rouge LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2007-03-19   
225-663 5 Baton Rouge LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2007-03-19   
225-663 7 Baton Rouge LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2008-07-07   
225-666 4 Baton Rouge LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2016-11-10   
225-692 4 Plaquemine LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2013-10-01   
225-713 4 New Roads LA 8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 492   2016-04-15   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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