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: 379

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-379 A Detroit Zone 1 MI SFLDMIDIDS2  279B CLEAR RATE COMMUNICATIONS, INC. - MI 340      
313-379 0 Detroit Zone 1 MI SFLDMIDNDS5  9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2017-07-27   
313-379 1 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2017-09-10   
313-379 2 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2017-09-10   
313-379 3 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2017-09-10   
313-379 4 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2017-09-10   
313-379 5 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2017-09-10   
313-379 6 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-07-19   
313-379 7 Detroit Zone 1 MI SFLDMIDIDS2  279B CLEAR RATE COMMUNICATIONS, INC. - MI 340   2017-04-24   
313-379 8 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2017-12-14   
313-379 9 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2017-12-14   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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