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: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-544 A Detroit Zone 4 MI   5562 METROPCS, INC. 340      
313-544 0 Detroit Zone 4 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2006-01-29   
313-544 2 Detroit Zone 4 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2024-05-31   
313-544 3 Detroit Zone 4 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2006-01-29   
313-544 5 Detroit Zone 4 MI   3535 ACD TELECOM, INC. - MI 340   2005-12-08   
313-544 6 Detroit Zone 4 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2006-01-29   
313-544 7 Detroit Zone 4 MI FLNTMICD0MD  829J PAETEC ITEL, LLC 340   2004-01-13   
313-544 8 Detroit Zone 4 MI LIVNMIUX0MD  5562 METROPCS, INC. 340   2006-01-29   

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

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