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
313-771 A Detroit Zone 1 MI   948H AIRUS, INC. - MI 340   2017-08-12   
313-771 0 Detroit Zone 1 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-04-01   
313-771 1 Detroit Zone 1 MI   948H AIRUS, INC. - MI 340   2017-08-12   
313-771 2 Detroit Zone 1 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-04-01   
313-771 3 Detroit Zone 1 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-04-01   
313-771 4 Detroit Zone 1 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-04-01   
313-771 5 Detroit Zone 1 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2018-10-15   
313-771 6 Detroit Zone 1 MI   7279 MCI WORLDCOM COMMUNICATIONS, INC. - MI 340   2019-02-20   
313-771 7 Detroit Zone 1 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2018-12-08   
313-771 8 Detroit Zone 1 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2018-12-29   
313-771 9 Detroit Zone 1 MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2018-09-17   

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

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