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: 546

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-546 A Detroit Zone 1 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340      
313-546 0 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-12   
313-546 1 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-12   
313-546 2 Detroit Zone 1 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-03   
313-546 3 Detroit Zone 1 MI DTRTMIBAUMD  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 340   2020-09-03   
313-546 4 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2020-09-04   
313-546 5 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-08-30   
313-546 6 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-12   
313-546 7 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2020-09-04   
313-546 8 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-12   
313-546 9 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-12   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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