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: 409

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-409 A Cedar Rapids IA CDRRIADTYZZ  829J PAETEC ITEL, LLC 635      
319-409 0 Cedar Rapids IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635   2012-10-31   
319-409 1 Cedar Rapids IA CDRRIADTYZZ  829J PAETEC ITEL, LLC 635   2012-01-21   
319-409 2 Cedar Rapids IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635   2012-10-31   
319-409 3 Cedar Rapids IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635   2012-10-31   
319-409 4 Cedar Rapids IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635   2012-10-31   
319-409 5 Cedar Rapids IA CDRRIAIC2MD  593K MCC TELEPHONY LLC 635   2014-08-25   
319-409 6 Cedar Rapids IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2012-12-13   
319-409 7 Cedar Rapids IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2012-12-13   
319-409 8 Cedar Rapids IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2012-12-13   
319-409 9 Cedar Rapids IA CDRRIADTKMD  221F ONVOY, LLC - IA 635   2012-12-13   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.