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.

Switch: RCFRILRTXDX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
779-552 9 Belvidere IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360      
815-335 5 Winnebago IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360      
815-569 8 Capron IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360      
815-580 7 Cherry Valley IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360      
815-597 8 Garden Prairie IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360      
815-645 6 Stillman Valley IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360      
815-765 5 Poplar Grove IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360      
815-800 1 Poplar Grove IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360      
815-885 7 Rock Cut IL 846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.