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: SYRCNYSUBMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
315-728 A Syracuse NY 551G NUSO, LLC 136      
315-728 1 Syracuse NY 551G NUSO, LLC 136   2012-12-28   
315-901 3 Syracuse NY 551G NUSO, LLC 136   2016-09-08   
315-901 4 Syracuse NY 551G NUSO, LLC 136   2016-09-08   
315-901 5 Syracuse NY 551G NUSO, LLC 136   2016-09-08   
315-901 6 Syracuse NY 551G NUSO, LLC 136   2016-09-08   
315-901 7 Syracuse NY 551G NUSO, LLC 136   2016-09-08   
315-907 5 Syracuse NY 551G NUSO, LLC 136   2018-11-28   
315-913 6 Syracuse NY 551G NUSO, LLC 136   2016-03-16   
315-913 7 Syracuse NY 551G NUSO, LLC 136   2016-03-16   
315-960 8 Syracuse NY 551G NUSO, LLC 136   2018-11-28   
680-600 0 Syracuse NY 551G NUSO, LLC 136   2018-10-29   
680-600 1 Syracuse NY 551G NUSO, LLC 136   2018-10-29   
680-600 2 Syracuse NY 551G NUSO, LLC 136   2018-11-07   
680-600 3 Syracuse NY 551G NUSO, LLC 136   2018-11-07   
680-600 4 Syracuse NY 551G NUSO, LLC 136   2018-11-07   
680-600 8 Syracuse NY 551G NUSO, LLC 136   2018-11-07   
680-800 9 Syracuse NY 551G NUSO, LLC 136   2018-11-07   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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