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
313-725 A Detroit Zone 1 MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340      
313-725 0 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2011-07-20   
313-725 1 Detroit Zone 1 MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2013-07-13   
313-725 2 Detroit Zone 1 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2018-09-17   
313-725 3 Detroit Zone 1 MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340   2011-01-31   
313-725 4 Detroit Zone 1 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-05-09   
313-725 5 Detroit Zone 1 MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340   2011-01-31   
313-725 6 Detroit Zone 1 MI   405H RCLEC, INC. - MI 340   2019-02-15   
313-725 7 Detroit Zone 1 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2018-09-17   
313-725 8 Detroit Zone 1 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-03-03   
313-725 9 Detroit Zone 1 MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2019-03-08   

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

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