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 SFLDMIDNFMD  4088 BROADWING COMMUNICATIONS, LLC - MI 340   2006-01-16   
313-254 1 Detroit Zone 6 MI SFLDMI48DS0  1200 TALK AMERICA INC. - MI 340   2007-03-01   
313-254 2 Detroit Zone 6 MI WAYNMIMNXNX  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2016-11-18   
313-254 3 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLC - 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, LLC - MI 340   2020-09-12   
313-254 6 Detroit Zone 6 MI SFLDMITODS2  543C ONVOY, LLC - MI 340   2020-09-12   
313-254 7 Detroit Zone 6 MI DTRTMIPMHMD  6664 SPRINT SPECTRUM L.P. 340   2005-01-02   
313-254 8 Detroit Zone 6 MI DTRTMIPMHMD  6664 SPRINT SPECTRUM L.P. 340   2005-01-02   
313-254 9 Detroit Zone 6 MI WAYNMIMNXNX  8935 COMCAST PHONE OF MICHIGAN, LLC - MI 340   2013-12-26   

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

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