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: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-678 A Detroit Zone 2 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-678 0 Detroit Zone 2 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 1 Detroit Zone 2 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 2 Detroit Zone 2 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 3 Detroit Zone 2 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 4 Detroit Zone 2 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 5 Detroit Zone 2 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 6 Detroit Zone 2 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 7 Detroit Zone 2 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-25   
313-678 8 Detroit Zone 2 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-01-07   
313-678 9 Detroit Zone 2 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-01-07   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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