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: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
919-328 A Durham NC RLGINCMN4MD  4809 CENTURYLINK COMMUNICATIONS LLC - NC 426      
919-328 0 Durham NC MRVLNCCNCMD  6324 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC 426   2008-04-11   
919-328 1 Durham NC RLGHNCJV4MD  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 426   2005-04-10   
919-328 2 Durham NC RLGHNCJV4MD  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 426   2006-05-15   
919-328 3 Durham NC RLGHNCJV4MD  3235 LEVEL 3 COMMUNICATIONS, LLC - NC 426   2006-05-15   
919-328 4 Durham NC RLGHNCJVFMD  7555 LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC 426   2006-09-08   
919-328 5 Durham NC RLGHNCJVFMD  7555 LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC 426   2006-09-08   
919-328 6 Durham NC RLGHNCJVFMD  7555 LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC 426   2006-09-08   
919-328 7 Durham NC RLGINCMN4MD  4809 CENTURYLINK COMMUNICATIONS LLC - NC 426      
919-328 8 Durham NC RLGHNCJVFMD  7555 LEVEL 3 TELECOM OF NORTH CAROLINA, LP - NC 426   2006-09-08   
919-328 9 Durham NC RLGJNCBZ2MD  8645 SUNCOM DBA T-MOBILE USA 426   2007-08-28   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.