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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-484 A Detroit Zone 1 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-484 0 Detroit Zone 1 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-11-16   
313-484 1 Detroit Zone 1 MI   197D VONAGE NETWORK INC. 340   2019-10-29   
313-484 3 Detroit Zone 1 MI   543C ONVOY, LLC - MI 340   2020-01-16   
313-484 4 Detroit Zone 1 MI   543C ONVOY, LLC - MI 340   2020-01-16   
313-484 5 Detroit Zone 1 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2019-07-22   
313-484 6 Detroit Zone 1 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2019-07-22   
313-484 8 Detroit Zone 1 MI   543C ONVOY, LLC - MI 340   2020-01-16   
313-484 9 Detroit Zone 1 MI   965H FRACTEL, LLC 340   2020-01-17   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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