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: 713

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-713 A Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-713 0 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2011-10-15   
313-713 1 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2011-10-15   
313-713 2 Detroit Zone 5 MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2023-03-02   
313-713 3 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2011-10-15   
313-713 4 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2011-10-15   
313-713 5 Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-08-14   
313-713 6 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2011-10-15   
313-713 7 Detroit Zone 5 MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-08-14   
313-713 8 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2011-10-15   
313-713 9 Detroit Zone 5 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2011-10-15   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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