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: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
313-254 A Detroit Zone 6 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-254 0 Detroit Zone 6 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-01-16   
313-254 1 Detroit Zone 6 MI DTRTMIBHMMD  1200 TALK AMERICA INC. - MI 340   2007-03-01   
313-254 2 Detroit Zone 6 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2016-11-18   
313-254 3 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2014-10-12   
313-254 4 Detroit Zone 6 MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
313-254 5 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-12   
313-254 6 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2020-09-12   
313-254 7 Detroit Zone 6 MI   145J TERRA NOVA TELECOM INC. 340   2021-05-26   
313-254 8 Detroit Zone 6 MI LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2005-01-02   
313-254 9 Detroit Zone 6 MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2013-12-26   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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