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: 722

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-722 A Detroit Zone 6 MI DRBRMIFBDS1  9323 AMERITECH MICHIGAN 340      
313-722 0 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-05-20   
313-722 1 Detroit Zone 6 MI DRBRMIFBDS1  9323 AMERITECH MICHIGAN 340      
313-722 2 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-05-20   
313-722 3 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-05-20   
313-722 4 Detroit Zone 6 MI DTRTMIBASMD  516C AT&T CORP. 340   2009-04-28   
313-722 5 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-05-20   
313-722 6 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-05-20   
313-722 7 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-05-20   
313-722 8 Detroit Zone 6 MI SFLDMI48DS0  1200 TALK AMERICA INC. - MI 340   2006-12-10   
313-722 9 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC 340   2009-05-20   

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

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