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.

Danvers, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-504 A BLTNILATYMD  259E YMAX COMMUNICATIONS CORP. - IL 366      
309-504 0 BLTNILXDXMX  224C ONVOY, LLC 366      
309-504 1 BLTNILXDXMX  224C ONVOY, LLC 366      
309-504 2 BLTNILXDX1Y  073H TELNYX LLC 366      
309-504 3 BLTNILTS3MD  939H COMMIO, LLC 366      
309-504 4 BLTNILXDXHY  624H ONVOY SPECTRUM, LLC 366      
309-504 5 BLTNILXDXMX  224C ONVOY, LLC 366      
309-504 6 BLTNILTSX1X  490J DISH WIRELESS, LLC 366      
309-504 7 BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366      
309-504 8 BLTNILATYMD  259E YMAX COMMUNICATIONS CORP. - IL 366      
309-504 9 BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
309-951 A   7421 AT&T - LOCAL 366   2024-02-27   
309-951 9   7421 AT&T - LOCAL 366      
309-963 A DNVSILXDDS0  1038 FRONTIER COMMUNICATIONS OF ILLINOIS, INC. 366      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.