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.

Joppa, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-543 A JOPPILXERS2  1015 FRONTIER NORTH, INC. - IL 362      
618-543 0 CRDLILXEXJX  073H TELNYX LLC 362   2020-07-11   
618-543 1 CHCGIL24XMD  495J STRATUS NETWORKS 362   2020-10-14   
618-543 2 HRBGILCBDS0  9915 DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 362   2003-02-03   
618-543 3 JOPPILXERS2  1015 FRONTIER NORTH, INC. - IL 362      
618-543 4 CRDLILXEX8X  224C ONVOY, LLC 362   2019-09-07   
618-543 5 CRDLILXEX8X  224C ONVOY, LLC 362   2018-10-01   
618-543 6 JOPPILXERS2  1015 FRONTIER NORTH, INC. - IL 362      
618-543 7 JOPPILXERS2  1015 FRONTIER NORTH, INC. - IL 362      
618-543 8 CRDLILXEX7X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 362   2020-06-03   
618-543 9 JOPPILXERS2  1015 FRONTIER NORTH, INC. - IL 362      
618-743 A MTRPILXEDS2  1015 FRONTIER NORTH, INC. - IL 362      
730-247 A CRDLILXEXYX  624H ONVOY SPECTRUM, LLC 362   2024-06-27   
730-247 0 CRDLILXEXYX  624H ONVOY SPECTRUM, LLC 362   2024-06-27   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.