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: 820

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-820 A Monticello IA CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-820 0 Monticello IA CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635      
319-820 1 Monticello IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-820 2 Monticello IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635      
319-820 3 Monticello IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-820 4 Monticello IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-820 5 Monticello IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-820 6 Monticello IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-820 7 Monticello IA CDRRIADTX2X  508J CENTURYLINK COMMUNICATIONS, LLC 635      
319-820 8 Monticello IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-820 9 Monticello IA CDRRIAAXQMD  444G AUREON COMMUNICATIONS, LLC 635      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.