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: 758

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-758 A Detroit Zone 1 MI DTRTMIMDRPA  9323 MICHIGAN BELL TEL CO 340      
313-758 0 Detroit Zone 1 MI   9323 MICHIGAN BELL TEL CO 340      
313-758 1 Detroit Zone 1 MI   5562 METROPCS, INC. 340   2008-12-18   
313-758 2 Detroit Zone 1 MI   9323 MICHIGAN BELL TEL CO 340      
313-758 3 Detroit Zone 1 MI   9323 MICHIGAN BELL TEL CO 340      
313-758 4 Detroit Zone 1 MI   9323 MICHIGAN BELL TEL CO 340      
313-758 5 Detroit Zone 1 MI   9323 MICHIGAN BELL TEL CO 340      
313-758 6 Detroit Zone 1 MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-01-06   
313-758 7 Detroit Zone 1 MI   5562 METROPCS, INC. 340   2008-12-18   
313-758 8 Detroit Zone 1 MI   5562 METROPCS, INC. 340   2007-02-16   
313-758 9 Detroit Zone 1 MI   5562 METROPCS, INC. 340   2007-02-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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