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
313-681 A Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-681 0 Detroit Zone 5 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340      
313-681 1 Detroit Zone 5 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-11-13   
313-681 2 Detroit Zone 5 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-11-13   
313-681 3 Detroit Zone 5 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-11-19   
313-681 4 Detroit Zone 5 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-11-19   
313-681 5 Detroit Zone 5 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2008-05-16   
313-681 6 Detroit Zone 5 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2010-04-14   
313-681 7 Detroit Zone 5 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2010-04-14   
313-681 8 Detroit Zone 5 MI   6664 SPRINT SPECTRUM L.P. 340   2010-08-20   
313-681 9 Detroit Zone 5 MI   6664 SPRINT SPECTRUM L.P. 340   2010-04-20   

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

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