Local Calling Guide

Area code/prefix search

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NPA: 313 [Rate centres in NPA 313] [Dial plan for NPA 313]

NXX: 351

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-351 A Detroit Zone 3 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-351 0 Detroit Zone 3 MI SFLDMITODS2  543C ONVOY, LLC - MI 340   2019-03-23   
313-351 1 Detroit Zone 3 MI SFLDMITODS2  543C ONVOY, LLC - MI 340   2019-03-23   
313-351 2 Detroit Zone 3 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2019-05-03   
313-351 3 Detroit Zone 3 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2019-12-30   
313-351 4 Detroit Zone 3 MI SFLDMIMKDS2  933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 340   2020-04-19   
313-351 5 Detroit Zone 3 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2020-11-10   
313-351 6 Detroit Zone 3 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2018-11-26   
313-351 7 Detroit Zone 3 MI SFLDMITODS2  543C ONVOY, LLC - MI 340   2020-09-06   
313-351 8 Detroit Zone 3 MI SFLDMITODS2  543C ONVOY, LLC - MI 340   2020-09-06   
313-351 9 Detroit Zone 3 MI SFLDMITODS2  543C ONVOY, LLC - MI 340   2020-09-06   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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