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.

London Mills, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-486 A LNMLILXDRS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 977      
309-599 A   593K MCC TELEPHONY LLC 977      
309-599 0 GLBGILXDXMD  495J STRATUS NETWORKS 977      
309-599 1 MCMBILAABMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977      
309-599 2 MCMBILAABMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 977      
309-599 3 GLBGILXDDMD  224C ONVOY, LLC 977      
309-599 5 MCMBILXDX5X  624H ONVOY SPECTRUM, LLC 977      
309-599 7 GLBGILXDAMD  508J CENTURYLINK COMMUNICATIONS, LLC 977      
309-599 8   593K MCC TELEPHONY LLC 977      
309-599 9 GLBGILXDDMD  224C ONVOY, LLC 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.