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.

NPA: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

NXX: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-777 A Stonefort IL STFTILXERS0  1015 FRONTIER NORTH, INC. - IL 362      
618-777 0 Stonefort IL STFTILXERS0  1015 FRONTIER NORTH, INC. - IL 362      
618-777 1 Stonefort IL CRDLILXEXJX  073H TELNYX LLC 362   2020-07-20   
618-777 2 Stonefort IL STFTILXERS0  1015 FRONTIER NORTH, INC. - IL 362      
618-777 3 Stonefort IL CRDLILXEX8X  224C ONVOY, LLC 362   2021-04-23   
618-777 4 Stonefort IL CRDLIL310MD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 362   2022-12-10   
618-777 5 Stonefort IL CRDLILXEX8X  224C ONVOY, LLC 362   2019-09-08   
618-777 6 Stonefort IL CRDLILAB0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 362   2005-03-10   
618-777 7 Stonefort IL HRBGILCBDS0  9915 DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 362   2003-02-04   
618-777 8 Stonefort IL CRDLILXEX8X  224C ONVOY, LLC 362   2018-10-01   
618-777 9 Stonefort IL CRDLIL13AMD  495J STRATUS NETWORKS 362   2020-12-19   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.