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: 313 [Rate centres in NPA 313] [Dial plan for NPA 313]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-751 A Detroit Zone 5 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-02-11   
313-751 0 Detroit Zone 5 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-02-11   
313-751 1 Detroit Zone 5 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-02-11   
313-751 2 Detroit Zone 5 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-02-11   
313-751 3 Detroit Zone 5 MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2019-03-08   
313-751 4 Detroit Zone 5 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-03-30   
313-751 5 Detroit Zone 5 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-05-09   
313-751 6 Detroit Zone 5 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-05-09   
313-751 7 Detroit Zone 5 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-05-09   
313-751 8 Detroit Zone 5 MI   543C ONVOY, LLC - MI 340   2019-03-23   
313-751 9 Detroit Zone 5 MI   543C ONVOY, LLC - MI 340   2019-03-23   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.