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
313-454 A Detroit Zone 3 MI SFLDMIWKDS0  4125 XO COMMUNICATIONS SERVICES, INC. - MI 340      
313-454 0 Detroit Zone 3 MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340      
313-454 1 Detroit Zone 3 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2009-03-07   
313-454 2 Detroit Zone 3 MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340   2005-04-25   
313-454 3 Detroit Zone 3 MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340   2005-04-25   
313-454 4 Detroit Zone 3 MI   543C ONVOY, LLC - MI 340   2007-05-18   
313-454 5 Detroit Zone 3 MI   288E CBEYOND COMMUNICATIONS, LLC - MI 340   2007-05-18   
313-454 6 Detroit Zone 3 MI   5562 METRO PCS, INC. 340   2008-02-22   
313-454 7 Detroit Zone 3 MI   5562 METRO PCS, INC. 340   2008-02-22   
313-454 8 Detroit Zone 3 MI   5562 METRO PCS, INC. 340   2008-02-22   
313-454 9 Detroit Zone 3 MI   5562 METRO PCS, INC. 340   2008-02-22   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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