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: 768

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-768 A Detroit Zone 6 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-768 0 Detroit Zone 6 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-768 1 Detroit Zone 6 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-768 2 Detroit Zone 6 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      
313-768 3 Detroit Zone 6 MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2025-04-08   
313-768 4 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-02-26   
313-768 5 Detroit Zone 6 MI SFLDMITOJMD  961J WOW! INTERNET, CABLE AND PHONE 340   2005-10-09   
313-768 6 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-02-26   
313-768 7 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2006-01-29   
313-768 8 Detroit Zone 6 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-02-26   
313-768 9 Detroit Zone 6 MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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