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.

OCN: 4632 TELNET WORLDWIDE, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
313-672 A Detroit Zone 1 MI SFLDMIDC0MD  340      
313-692 A Detroit Zone 2 MI SFLDMIDC0MD  340      
313-788 7 Detroit Zone 3 MI SFLDMIDC0MD  340   2016-04-01   
517-207 A Adrian MI SFLDMIDC0MD  340      
517-219 0 Fowlerville MI LNNGMIDCHMD  346   2005-09-03   
517-233 0 Eaton Rapids MI LNNGMIDCHMD  346   2005-09-03   
517-330 A Litchfield MI LNNGMIDCHMD  346      
517-431 0 Tipton MI SFLDMIDC0MD  340   2005-09-03   
517-456 3 Clinton MI SFLDMIDC0MD  340   2005-09-03   
517-458 0 Morenci MI SFLDMIDC0MD  340   2005-09-03   
517-492 8 Lansing MI LNNGMIDCHMD  346   2010-11-25   
517-519 A Hudson MI SFLDMIDC0MD  340      
517-522 0 Grass Lake MI LNNGMIDCHMD  346   2005-09-03   
517-529 6 Clarklake MI LNNGMIDCHMD  346   2005-09-03   
517-536 2 Napoleon MI LNNGMIDCHMD  346   2005-09-03   
517-621 A Munith MI LNNGMIDCHMD  346      
517-626 3 Grand Ledge MI LNNGMIDCHMD  346   2005-09-03   
517-631 A Webberville MI LNNGMIDCHMD  346      
517-634 A Fitchburg MI LNNGMIDCHMD  346      
517-641 0 Bath MI LNNGMIDCHMD  346   2005-09-03   
517-651 4 Laingsburg MI LNNGMIDCHMD  346   2005-09-03   
517-653 A Burlington MI GDRPMIBQ1MD  348      
517-654 A Albion MI LNNGMIDCHMD  346      
517-658 A Reading MI LNNGMIDCHMD  346      
517-659 A Addison MI LNNGMIDCHMD  346      
517-668 4 De Witt MI LNNGMIDCHMD  346   2005-09-03   
517-671 A Tekonsha MI GDRPMIBQ1MD  348      
517-689 A Hillsdale MI LNNGMIDCHMD  346      
517-710 A Stockbridge MI LNNGMIDCHMD  346      
517-716 A Parma MI LNNGMIDCHMD  346      
517-717 A Williamston MI LNNGMIDCHMD  346      
517-724 A Homer MI LNNGMIDCHMD  346      
517-727 A Charlotte MI LNNGMIDCHMD  346      
517-753 A Coldwater MI GDRPMIBQ1MD  348      
517-766 A Onondaga MI LNNGMIDCHMD  346      
517-772 A Dansville MI LNNGMIDCHMD  346      
517-809 A Tecumseh MI SFLDMIDC0MD  340      
517-813 A Blissfield MI SFLDMIDC0MD  340      
517-816 6 Lansing MI LNNGMIDCHMD  346   2013-08-08   
517-833 1 Mason MI LNNGMIDCHMD  346   2005-09-03   
517-848 A Portland MI LNNGMIDCHMD  346      
517-872 A Rives Junction MI LNNGMIDCHMD  346      
517-905 A Jackson MI LNNGMIDCHMD  346      
517-913 A Lansing MI LNNGMIDCHMD  346      
517-916 A Jonesville MI LNNGMIDCHMD  346      
517-920 A Adrian MI SFLDMIDC0MD  340      
517-947 A Howell MI SFLDMIDC0MD  340      
586-218 5 Roseville MI SFLDMIDC0MD  340   2005-09-04   
586-244 0 New Haven MI SFLDMIDC0MD  340   2008-09-05   
586-317 A Richmond MI SFLDMIDC0MD  340      

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

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