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: 612

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-612 A Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
313-612 0 Detroit Zone 1 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2022-01-07   
313-612 1 Detroit Zone 1 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2022-01-07   
313-612 2 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-01-06   
313-612 3 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-01-06   
313-612 4 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-01-06   
313-612 5 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-01-06   
313-612 6 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-01-06   
313-612 7 Detroit Zone 1 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2022-01-07   
313-612 8 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-01-28   
313-612 9 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-01-28   

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

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