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: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-524 A Detroit Zone 1 MI SFLDMITOGMD  622J SKYE TELECOM LLC DBA SKYETEL 340      
313-524 0 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2021-04-10   
313-524 1 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2021-04-10   
313-524 2 Detroit Zone 1 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2021-04-10   
313-524 3 Detroit Zone 1 MI DTRTMIBHJMD  506J TWILIO INTERNATIONAL, INC. 340   2021-07-15   
313-524 4 Detroit Zone 1 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-05-22   
313-524 5 Detroit Zone 1 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-05-22   
313-524 6 Detroit Zone 1 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-05-22   
313-524 7 Detroit Zone 1 MI SFLDMITOGMD  622J SKYE TELECOM LLC DBA SKYETEL 340   2021-07-02   
313-524 8 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-03   
313-524 9 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-03   

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

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