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: 222

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-222 A Cedar Falls IA CDFLIACODS0  9631 QWEST CORPORATION 635      
319-222 0 Cedar Falls IA CDFLIACODS0  9631 QWEST CORPORATION 635      
319-222 1 Cedar Falls IA CDRRIATS0MD  6266 UNITED STATES CELLULAR - IA 635   2017-10-29   
319-222 2 Cedar Falls IA CDFLIACODS0  9631 QWEST CORPORATION 635      
319-222 3 Cedar Falls IA IWCYIA70AMD  516J TON80 COMMUNICATIONS, LLC 635   2022-03-17   
319-222 4 Cedar Falls IA CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-02-22   
319-222 5 Cedar Falls IA IWCYIA702MD  939H COMMIO, LLC 635   2022-08-07   
319-222 6 Cedar Falls IA CDFLIACODS0  9631 QWEST CORPORATION 635      
319-222 7 Cedar Falls IA CDFLIACODS0  9631 QWEST CORPORATION 635      
319-222 8 Cedar Falls IA CDFLIACODS0  9631 QWEST CORPORATION 635      
319-222 9 Cedar Falls IA CDFLIACODS0  9631 QWEST CORPORATION 635      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.