Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 313 [Rate centres in NPA 313] [Dial plan for NPA 313]

NXX: 438

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-438 A Detroit Zone 6 MI DRBRMIFBDS0  9323 MICHIGAN BELL TEL CO 340      
313-438 0 Detroit Zone 6 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2014-08-29   
313-438 1 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-03-31   
313-438 2 Detroit Zone 6 MI SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340   2013-02-25   
313-438 3 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2014-03-31   
313-438 4 Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2013-06-14   
313-438 5 Detroit Zone 6 MI SFLDMIDICA0  2550 123.NET, INC. 340   2012-12-10   
313-438 6 Detroit Zone 6 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2012-12-21   
313-438 7 Detroit Zone 6 MI DRBRMIFBDS0  9323 MICHIGAN BELL TEL CO 340      
313-438 8 Detroit Zone 6 MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-03-05   
313-438 9 Detroit Zone 6 MI DRBRMIFBDS0  9323 MICHIGAN BELL TEL CO 340      

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

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