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
248-799 5 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-799 6 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-799 7 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-799 8 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-799 9 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-809 A WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
248-809 0 DTRTMIDJCMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 340   2023-10-12   
248-809 1 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-09-07   
248-809 2 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
248-809 3 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2010-09-10   
248-809 4 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-09-07   
248-809 5 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-09-07   
248-809 6 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2012-08-29   
248-809 7 LIVNMIUX0MD  5562 METROPCS, INC. 340   2012-08-06   
248-809 8 LIVNMIUX0MD  5562 METROPCS, INC. 340   2012-07-19   
248-809 9 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
248-827 A SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-827 0 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-827 1 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-827 2 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-827 3 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-827 4 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-827 5 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2017-10-11   
248-827 6 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-827 7 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-827 8 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-827 9 SFLDMIMNDS1  9323 MICHIGAN BELL TEL CO 340      
248-849 A SFLDMIOKDS0  9323 MICHIGAN BELL TEL CO 340      
248-849 0 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2011-01-08   
248-849 1 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2014-10-24   
248-849 2 SFLDMIOKDS0  9323 MICHIGAN BELL TEL CO 340      
248-849 3 SFLDMIOKDS0  9323 MICHIGAN BELL TEL CO 340      
248-849 4 SFLDMIOKDS0  9323 MICHIGAN BELL TEL CO 340      
248-849 5 SFLDMIOKDS0  9323 MICHIGAN BELL TEL CO 340      
248-849 6 SFLDMIOKDS0  9323 MICHIGAN BELL TEL CO 340      
248-849 7 SFLDMIOKDS0  9323 MICHIGAN BELL TEL CO 340      
248-849 8 SFLDMIOKDS0  9323 MICHIGAN BELL TEL CO 340      
248-849 9 SFLDMIDICA0  2550 123.NET, INC. 340   2013-08-05   
248-864 A SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-864 0 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
248-864 1 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2016-04-07   
248-864 2 SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2015-09-11   
248-864 3 LIVNMIUX0MD  5562 METROPCS, INC. 340   2012-07-19   
248-864 4 SFLDMITODS2  543C ONVOY, LLCV - MI 340   2009-03-13   
248-864 5 SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2015-02-16   
248-864 6 LIVNMIUX0MD  5562 METROPCS, INC. 340   2012-07-19   
248-864 7   279B CLEAR RATE COMMUNICATIONS, INC. - MI 340   2012-02-23   
248-864 8 WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340   2012-08-29   
248-864 9 DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2017-10-11   
248-866 A LIVNMIUX0MD  5562 METROPCS, INC. 340      

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

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.