Local Calling Guide

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

NXX: 528

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-528 A Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-528 0 Detroit Zone 6 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2011-06-19   
313-528 1 Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-12-02   
313-528 2 Detroit Zone 6 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2010-11-19   
313-528 3 Detroit Zone 6 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2010-11-19   
313-528 4 Detroit Zone 6 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2010-12-10   
313-528 5 Detroit Zone 6 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2010-12-10   
313-528 6 Detroit Zone 6 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2010-12-10   
313-528 7 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2011-01-08   
313-528 8 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2011-01-07   
313-528 9 Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2012-06-15   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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