Local Calling Guide

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NPA: 313 [Rate centres in NPA 313] [Dial plan for NPA 313]

NXX: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-638 A Detroit Zone 1 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
313-638 0 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2010-05-27   
313-638 1 Detroit Zone 1 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2008-04-08   
313-638 2 Detroit Zone 1 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2008-04-08   
313-638 3 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2008-06-02   
313-638 4 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2025-01-08   
313-638 5 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2025-01-08   
313-638 6 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2025-01-08   
313-638 7 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2025-01-08   
313-638 8 Detroit Zone 1 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2008-04-28   
313-638 9 Detroit Zone 1 MI LIVNMIUX8MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2025-01-08   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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