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.

Switch: CNCNOHWSX4Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
513-341 2 Hamilton OH 7421 AT&T - LOCAL 922      
513-442 7 Cincinnati OH 7421 AT&T - LOCAL 922   2009-02-08   
513-512 6 Cincinnati OH 7421 AT&T - LOCAL 922   2012-03-02   
513-580 5 Cincinnati OH 7421 AT&T - LOCAL 922   2012-02-08   
513-592 5 Cincinnati OH 7421 AT&T - LOCAL 922   2014-04-12   
513-592 6 Cincinnati OH 7421 AT&T - LOCAL 922   2014-04-12   
513-830 0 Cincinnati OH 7421 AT&T - LOCAL 922      
513-830 1 Cincinnati OH 7421 AT&T - LOCAL 922      
513-830 2 Cincinnati OH 7421 AT&T - LOCAL 922      
513-830 9 Cincinnati OH 7421 AT&T - LOCAL 922      
513-901 A Williamsburg OH 7421 AT&T - LOCAL 922      
513-901 9 Williamsburg OH 7421 AT&T - LOCAL 922   2012-09-14   
859-212 A Boone KY 7421 AT&T - LOCAL 922      
859-308 4 Covington KY 7421 AT&T - LOCAL 922   2010-02-08   

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

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