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.

NPA: 864 [Rate centres in NPA 864] [Dial plan for NPA 864]

NXX: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
864-623 A Clemson SC GNVLSCDT02Z  829J PAETEC ITEL, LLC 430   2025-02-19   
864-623 0 Clemson SC   829J PAETEC ITEL, LLC 430      
864-623 1 Clemson SC   829J PAETEC ITEL, LLC 430      
864-623 2 Clemson SC   829J PAETEC ITEL, LLC 430      
864-623 3 Clemson SC   829J PAETEC ITEL, LLC 430      
864-623 4 Clemson SC   829J PAETEC ITEL, LLC 430      
864-623 5 Clemson SC   829J PAETEC ITEL, LLC 430      
864-623 6 Clemson SC   829J PAETEC ITEL, LLC 430      
864-623 7 Clemson SC   829J PAETEC ITEL, LLC 430      
864-623 8 Clemson SC GNVLSCDT53Z  5562 METROPCS, INC. 430   2015-08-15   
864-623 9 Clemson SC   792K CHARTER IP ENABLED SERVICES, LLC 430   2005-01-22   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.