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: 919 [Rate centres in NPA 919] [Dial plan for NPA 919]

NXX: 458

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
919-458 A Durham NC RLGHNCHO50Z  829J PAETEC ITEL, LLC 426   2025-02-11   
919-458 0 Durham NC   7674 US LEC OF NORTH CAROLINA, INC. 426   2007-07-12   
919-458 1 Durham NC   7674 US LEC OF NORTH CAROLINA, INC. 426   2007-07-12   
919-458 2 Durham NC   7674 US LEC OF NORTH CAROLINA, INC. 426   2007-07-12   
919-458 3 Durham NC   7674 US LEC OF NORTH CAROLINA, INC. 426   2007-07-12   
919-458 4 Durham NC   7674 US LEC OF NORTH CAROLINA, INC. 426   2007-07-12   
919-458 5 Durham NC   7674 US LEC OF NORTH CAROLINA, INC. 426   2007-07-12   
919-458 6 Durham NC   7674 US LEC OF NORTH CAROLINA, INC. 426   2007-07-12   
919-458 7 Durham NC   7674 US LEC OF NORTH CAROLINA, INC. 426   2007-07-12   
919-458 8 Durham NC   7674 US LEC OF NORTH CAROLINA, INC. 426   2007-07-12   
919-458 9 Durham NC   7674 US LEC OF NORTH CAROLINA, INC. 426   2007-07-12   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.