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: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 674

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-674 A Wellman IA NLBTIAXO2MD  593K MCC TELEPHONY LLC 635      
319-674 4 Wellman IA CDRRIAAX7MD  5562 METROPCS, INC. 635   2018-08-03   
319-674 6 Wellman IA MNTIIAAKDS0  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2015-06-04   
319-674 7 Wellman IA IWCYIA7000Z  490J DISH WIRELESS, LLC 635   2023-12-18   
319-674 8 Wellman IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635   2024-08-15   
319-674 9 Wellman IA NLBTIAXO2MD  593K MCC TELEPHONY LLC 635   2010-05-09   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.