Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Southfield, MI

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
248-445 5 LIVNMIUX0MD  5562 METROPCS, INC. 340   2012-07-19   
248-445 6 LIVNMIUX0MD  5562 METROPCS, INC. 340   2012-07-19   
248-445 7 LIVNMIUX0MD  5562 METROPCS, INC. 340   2012-07-19   
248-445 8 LIVNMIUX0MD  5562 METROPCS, INC. 340   2012-07-19   
248-445 9 LIVNMIUX0MD  5562 METROPCS, INC. 340   2012-07-19   
248-447 A SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 A SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 0 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 1 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340   2008-09-19   
248-448 2 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 3 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 4 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 5 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 6 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 7 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 8 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-448 9 SFLDMIDNDS5  9714 GRID 4 COMMUNICATIONS, INC. - MI 340   2017-07-27   
248-450 A WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
248-450 0 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2016-01-18   
248-450 1 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2017-10-11   
248-450 2 SFLDMIMNXOX  528A FIRST COMMUNICATIONS, LLC - MI 340   2015-08-01   
248-450 3 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2017-03-10   
248-450 4 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2018-10-15   
248-450 5 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2014-10-08   
248-450 6 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2014-10-08   
248-450 7 DTRTMIBASMD  516C AT&T CORP. 340   2017-01-13   
248-450 8 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2018-10-19   
248-450 9 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2019-07-24   
248-455 A SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 0 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 1 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 2 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 3 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 4 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 5 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 6 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-06-17   
248-455 7 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 8 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-455 9 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2017-10-11   
248-469 A SFLDMIMNXMX  9245 CYNERGYCOMM.NET, INC. - MI 340      
248-469 0 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2011-05-30   
248-469 1 SFLDMIMNXMX  9245 CYNERGYCOMM.NET, INC. - MI 340   2006-07-14   
248-469 2 LIVNMIUX0MD  5562 METROPCS, INC. 340   2007-06-08   
248-469 3 LIVNMIUX0MD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 340   2007-06-08   
248-469 4 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-05-28   
248-469 5 LIVNMIUX0MD  5562 METROPCS, INC. 340   2010-06-10   
248-469 6 LIVNMIUX0MD  5562 METROPCS, INC. 340   2010-06-10   
248-469 7 LIVNMIUX0MD  5562 METROPCS, INC. 340   2010-06-10   
248-469 8 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2011-06-26   
248-469 9 LIVNMIUX0MD  5562 METROPCS, INC. 340   2011-10-20   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.