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.

Switch: SFLDMIMNXRX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
248-266 A Rochester MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-07-22   
248-716 A Commerce MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-04-15   
248-803 A Ortonville MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2011-05-19   
313-355 A Detroit Zone 1 MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2008-12-15   
313-451 A Detroit Zone 6 MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-04-16   
313-626 A Detroit Zone 2 MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2011-01-06   
313-757 A Detroit Zone 6 MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2011-07-18   
517-258 A Howell MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-05-10   
586-315 A New Haven MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-08-10   
734-430 A Monroe MI 991E BANDWIDTH.COM CLEC, LLC - MI 340      
734-589 A Wayne MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2011-07-31   
810-294 A Port Huron MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-12-09   
810-447 A Flint MI 991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-03-26   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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