Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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
313-324 A Detroit Zone 1 MI DTRTMIBADS0  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-324 0 Detroit Zone 1 MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-324 1 Detroit Zone 1 MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-324 2 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2012-04-09   
313-324 3 Detroit Zone 1 MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-324 4 Detroit Zone 1 MI   7701 PHONE MICHIGAN 340   2011-04-05   
313-324 5 Detroit Zone 1 MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-324 6 Detroit Zone 1 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-02-24   
313-324 7 Detroit Zone 1 MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2014-02-27   
313-324 8 Detroit Zone 1 MI   9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2006-09-21   
313-324 9 Detroit Zone 1 MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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