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: 370

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-370 A Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-370 0 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2023-05-29   
313-370 1 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2023-05-29   
313-370 2 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2023-06-23   
313-370 3 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2023-06-23   
313-370 4 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-07-02   
313-370 5 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-08-20   
313-370 6 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2023-08-25   
313-370 7 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2023-05-07   
313-370 8 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2023-05-07   
313-370 9 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2023-05-07   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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