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.

NPA: 334 [Rate centres in NPA 334] [Dial plan for NPA 334]

NXX: 603

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
334-603 A Montgomery AL   072F BANDWIDTH.COM CLEC, LLC - AL 478      
334-603 0 Montgomery AL MTGMALMT05Z  072F BANDWIDTH.COM CLEC, LLC - AL 478   2014-08-08   
334-603 1 Montgomery AL MTGMALMT05Z  072F BANDWIDTH.COM CLEC, LLC - AL 478   2014-08-08   
334-603 2 Montgomery AL MTGMALMT05Z  072F BANDWIDTH.COM CLEC, LLC - AL 478   2014-08-08   
334-603 3 Montgomery AL   624H ONVOY SPECTRUM, LLC 478   2023-09-06   
334-603 4 Montgomery AL MTGMALIR7MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 478   2023-09-06   
334-603 5 Montgomery AL MTGMALIR7MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 478   2023-11-11   
334-603 6 Montgomery AL MTGMALMT05Z  072F BANDWIDTH.COM CLEC, LLC - AL 478   2014-08-08   
334-603 7 Montgomery AL MTGMALGY3MD  7327 LEVEL 3 TELECOM OF ALABAMA, LLC - AL 478   2016-07-23   
334-603 8 Montgomery AL MTGMALMT05Z  072F BANDWIDTH.COM CLEC, LLC - AL 478   2014-08-08   
334-603 9 Montgomery AL MTGMALMTXTZ  604E ONVOY, LLC - AL 478   2017-06-01   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.