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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Switch: MTGMALMT08Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
334-223 2 Montgomery AL 7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 478   2018-09-24   
334-434 5 Troy AL 7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 478   2014-04-15   
334-523 A Montgomery AL 7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 478      
334-523 2 Montgomery AL 7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 478   2013-01-18   
334-523 3 Montgomery AL 7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 478   2012-01-15   
334-523 4 Montgomery AL 7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 478   2012-06-14   
334-523 5 Montgomery AL 7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 478   2012-11-15   
334-523 9 Montgomery AL 7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 478   2009-09-15   
334-552 3 Tuskegee AL 7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 478   2016-04-01   
334-564 3 Thomasville AL 7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 478   2011-03-10   
334-819 3 Montgomery AL 7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 478   2016-09-20   
334-840 3 Montgomery AL 7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 478   2022-05-23   

Last updated: Sat, 30 Sep 2023 22:09:11 UTC

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