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: 309

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-309 A Detroit Zone 1 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-309 0 Detroit Zone 1 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-309 1 Detroit Zone 1 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-309 2 Detroit Zone 1 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-309 3 Detroit Zone 1 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-309 4 Detroit Zone 1 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-309 5 Detroit Zone 1 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-309 6 Detroit Zone 1 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-309 7 Detroit Zone 1 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      
313-309 8 Detroit Zone 1 MI   046L CLEAR RATE COMMUNICATIONS, LLC 340   2012-05-09   
313-309 9 Detroit Zone 1 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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