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: 375

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-375 A Detroit Zone 6 MI TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-375 0 Detroit Zone 6 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-06-25   
313-375 1 Detroit Zone 6 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-06-25   
313-375 2 Detroit Zone 6 MI TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-375 3 Detroit Zone 6 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-09-24   
313-375 4 Detroit Zone 6 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2009-09-24   
313-375 5 Detroit Zone 6 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340   2009-10-15   
313-375 6 Detroit Zone 6 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-02-10   
313-375 7 Detroit Zone 6 MI TAYLMIWKDS0  9323 MICHIGAN BELL TEL CO 340      
313-375 8 Detroit Zone 6 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-02-10   
313-375 9 Detroit Zone 6 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-06-09   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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