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
313-351 A Detroit Zone 3 MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2018-11-26   
313-351 0 Detroit Zone 3 MI   543C ONVOY, LLC - MI 340   2019-03-23   
313-351 1 Detroit Zone 3 MI   543C ONVOY, LLC - MI 340   2019-03-23   
313-351 2 Detroit Zone 3 MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-05-03   
313-351 3 Detroit Zone 3 MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2019-12-30   
313-351 4 Detroit Zone 3 MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2020-04-19   
313-351 5 Detroit Zone 3 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2020-04-24   
313-351 6 Detroit Zone 3 MI   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2018-11-26   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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