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.
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OCN: 2550 123.NET, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
231-974 A Grant MI GDRPMIBLX8Z  348      
231-974 0 Grant MI GDRPMIBLX8Z  348      
248-215 5 Holly MI SFLDMIDICA0  340   2003-01-25   
248-218 5 Rochester MI SFLDMIDICA0  340   2005-09-04   
248-228 A Southfield MI SFLDMIDICA0  340      
248-228 3 Southfield MI SFLDMIDICA0  340   2003-01-24   
248-228 8 Southfield MI SFLDMIDICA0  340   2006-11-24   
248-228 9 Southfield MI SFLDMIDICA0  340      
248-243 5 Auburn Heights MI SFLDMIDICA0  340   2005-09-04   
248-246 3 Royal Oak MI SFLDMIDICA0  340      
248-247 A Troy MI SFLDMIDICA0  340      
248-247 3 Troy MI SFLDMIDICA0  340   2006-12-03   
248-264 2 South Lyon MI SFLDMIDICA0  340   2003-03-09   
248-268 8 Royal Oak MI SFLDMIDICA0  340   2013-08-03   
248-277 3 Northville MI SFLDMIDICA0  340   2003-01-24   
248-287 8 Lake Orion MI SFLDMIDICA0  340   2005-09-03   
248-313 2 Walled Lake MI SFLDMIDICA0  340   2005-09-04   
248-319 7 Northville MI SFLDMIDICA0  340   2017-06-03   
248-359 8 Southfield MI SFLDMIDICA0  340   2010-04-19   
248-381 8 Farmington MI SFLDMIDICA0  340   2003-01-25   
248-387 5 Commerce MI SFLDMIDICA0  340   2005-09-04   
248-406 4 West Bloomfield MI SFLDMIDICA0  340   2005-09-04   
248-422 3 Troy MI SFLDMIDICA0  340   2017-03-24   
248-429 4 Oxford MI SFLDMIDICA0  340   2005-09-04   
248-434 5 Troy MI SFLDMIDICA0  340   2003-01-24   
248-461 9 Drayton Plains MI SFLDMIDICA0  340   2005-09-04   
248-483 2 Southfield MI SFLDMIDICA0  340   2014-11-15   
248-488 7 Farmington MI SFLDMIDICA0  340   2009-08-27   
248-516 1 Farmington MI SFLDMIDICA0  340   2015-04-25   
248-529 0 Milford-White Lake MI SFLDMIDICA0  340   2003-01-24   
248-556 4 Royal Oak MI SFLDMIDICA0  340   2005-09-04   
248-581 5 Royal Oak MI SFLDMIDICA0  340   2011-10-29   
248-621 A Southfield MI SFLDMI18DS0  340      
248-621 0 Southfield MI SFLDMI18DS0  340   2015-10-08   
248-633 A Birmingham MI SFLDMIDICA0  340      
248-633 0 Birmingham MI   340      
248-633 1 Birmingham MI   340      
248-633 2 Birmingham MI SFLDMIDICA0  340      
248-633 9 Birmingham MI   340      
248-707 3 Clarkston MI SFLDMIDICA0  340   2005-12-12   
248-724 A Pontiac MI SFLDMIDICA0  340      
248-724 0 Pontiac MI SFLDMIDICA0  340      
248-724 1 Pontiac MI SFLDMIDICA0  340      
248-724 2 Pontiac MI SFLDMIDICA0  340      
248-724 3 Pontiac MI SFLDMIDICA0  340      
248-724 4 Pontiac MI SFLDMIDICA0  340      
248-724 5 Pontiac MI SFLDMIDICA0  340      
248-724 7 Pontiac MI SFLDMIDICA0  340      
248-724 9 Pontiac MI SFLDMIDICA0  340      
248-776 A Royal Oak MI SFLDMIDICA0  340      

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

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