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.

Prairie City, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-775 A PRCYILXDRS1  1015 FRONTIER NORTH, INC. - IL 977      
309-775 0   593K MCC TELEPHONY LLC 977      
309-775 1 PRCYILXDRS1  1015 FRONTIER NORTH, INC. - IL 977      
309-775 2 GLBGILXDDMD  224C ONVOY, LLC 977      
309-775 3 MCMBILXDX5X  624H ONVOY SPECTRUM, LLC 977      
309-775 4 PRCYILXDRS1  1015 FRONTIER NORTH, INC. - IL 977      
309-775 5 GLBGILXDDMD  224C ONVOY, LLC 977      
309-775 6 CLCHILXDDS2  342F MTC COMMUNICATIONS, INC. - IL 977      
309-775 7 GLBGILXDAMD  508J CENTURYLINK COMMUNICATIONS, LLC 977      
309-775 8 GLBGILXDDMD  224C ONVOY, LLC 977      
309-775 9 GLBGILXDXMD  495J STRATUS NETWORKS 977      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.