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: ATLNGANGGT1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
404-334 A Atlanta GA 551G NUSO, LLC 438      
404-334 1 Atlanta GA 551G NUSO, LLC 438   2013-01-17   
404-600 0 Atlanta GA 551G NUSO, LLC 438   2016-09-12   
404-689 A Atlanta GA 551G NUSO, LLC 438      
404-689 1 Atlanta GA 551G NUSO, LLC 438   2020-01-25   
404-689 2 Atlanta GA 551G NUSO, LLC 438   2020-01-25   
404-795 4 Atlanta GA 551G NUSO, LLC 438   2017-06-07   
404-795 7 Atlanta GA 551G NUSO, LLC 438   2017-06-07   
404-800 8 Atlanta GA 551G NUSO, LLC 438   2012-10-26   
470-226 0 Atlanta Northeast GA 551G NUSO, LLC 438   2013-02-06   
470-279 3 Atlanta GA 551G NUSO, LLC 438   2016-08-31   
470-279 4 Atlanta GA 551G NUSO, LLC 438   2016-08-31   
470-279 5 Atlanta GA 551G NUSO, LLC 438   2016-08-31   
470-279 6 Atlanta GA 551G NUSO, LLC 438   2016-08-31   
470-279 7 Atlanta GA 551G NUSO, LLC 438   2016-08-31   
470-279 8 Atlanta GA 551G NUSO, LLC 438   2016-08-31   
470-378 4 Atlanta GA 551G NUSO, LLC 438   2016-08-31   
470-378 5 Atlanta GA 551G NUSO, LLC 438   2016-08-31   
470-391 8 Atlanta GA 551G NUSO, LLC 438   2018-10-14   
470-391 9 Atlanta GA 551G NUSO, LLC 438   2018-10-14   
470-645 8 Atlanta GA 551G NUSO, LLC 438   2018-08-18   
470-709 0 Atlanta Northeast GA 551G NUSO, LLC 438   2016-04-01   
770-802 1 Atlanta Northeast GA 551G NUSO, LLC 438   2016-09-08   
770-802 2 Atlanta Northeast GA 551G NUSO, LLC 438   2016-09-08   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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