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
313-335 A Detroit Zone 1 MI DTRTMIBHDS1  9323 AMERITECH MICHIGAN 340      
313-335 0 Detroit Zone 1 MI   9323 AMERITECH MICHIGAN 340      
313-335 1 Detroit Zone 1 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-09-06   
313-335 2 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2016-06-22   
313-335 3 Detroit Zone 1 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2016-07-22   
313-335 4 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2013-05-12   
313-335 5 Detroit Zone 1 MI   3535 ACD TELECOM, INC. - MI 340   2005-12-08   
313-335 6 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2013-01-20   
313-335 7 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2013-01-20   
313-335 8 Detroit Zone 1 MI   7575 CENTURYLINK COMMUNICATIONS LLC 340   2013-02-25   
313-335 9 Detroit Zone 1 MI   543C ONVOY, LLC - MI 340   2013-01-31   

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

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