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.

Clinton, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
217-570 A LNCLILXCCMD  6529 T-MOBILE USA, INC. 366      
217-570 0 BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
217-570 1 BLTNILTS3MD  939H COMMIO, LLC 366      
217-570 3 BLTNILXDWMD  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 366      
217-570 4 LNCLILXCCMD  6529 T-MOBILE USA, INC. 366      
217-570 5 LNCLILXCCMD  6529 T-MOBILE USA, INC. 366      
217-570 7 BLTNILXDXZX  508J CENTURYLINK COMMUNICATIONS, LLC 366      
217-570 8   6529 T-MOBILE USA, INC. 366      
217-570 9 LNCLILXCCMD  6529 T-MOBILE USA, INC. 366      
217-731 A BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366      
217-731 0   624H ONVOY SPECTRUM, LLC 366      
217-731 1 BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366      
217-731 2 BLTNILATOMD  6529 T-MOBILE USA, INC. 366      
217-731 4 BLTNILATVMD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 366      
217-731 6 BLTNILXDX0X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 366      
217-934 A   1015 FRONTIER NORTH, INC. - IL 366      
217-934 4 BLTNILXDXPX  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 366      
217-935 A CLTNILXCDS0  1015 FRONTIER NORTH, INC. - IL 366      
217-937 A CLTNILXCDS0  1015 FRONTIER NORTH, INC. - IL 366      
217-937 1 CLTNILXCDS0  1015 FRONTIER NORTH, INC. - IL 366      
217-937 2 BLTNILXDX6Y  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 366      
217-937 3 BLTNILXDX6Y  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 366      
217-937 4 BLTNILXDX6Y  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 366      
217-937 5 BLTNILTS7MD  145J TERRA NOVA TELECOM INC. 366      
217-937 6 LNCLILXCEMD  224C ONVOY, LLC 366      
217-937 7   145J TERRA NOVA TELECOM INC. 366      
217-937 9 LNCLILXCCMD  6529 T-MOBILE USA, INC. 366      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.