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: 723

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-723 A Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340      
313-723 0 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-09-06   
313-723 1 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2014-09-30   
313-723 2 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2014-09-30   
313-723 3 Detroit Zone 4 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2014-10-27   
313-723 4 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2014-10-22   
313-723 5 Detroit Zone 4 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2014-08-29   
313-723 6 Detroit Zone 4 MI SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340   2014-07-15   
313-723 7 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-01-17   
313-723 8 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-01-17   
313-723 9 Detroit Zone 4 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-01-17   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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