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: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-476 A Detroit Zone 6 MI SFLDMITODMD  515J IP HORIZON LLC 340      
313-476 0 Detroit Zone 6 MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-07-03   
313-476 1 Detroit Zone 6 MI   515J IP HORIZON LLC 340   2021-03-21   
313-476 2 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-12   
313-476 3 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-12   
313-476 4 Detroit Zone 6 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-06-13   
313-476 5 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-12   
313-476 6 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-07-12   
313-476 7 Detroit Zone 6 MI DTRTMIBHJMD  506J TWILIO INTERNATIONAL, INC. 340   2021-07-15   
313-476 8 Detroit Zone 6 MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-07-03   
313-476 9 Detroit Zone 6 MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-07-03   

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

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