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: 577

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-577 A Breese IL COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520      
618-577 0 Breese IL COVLILCQXIX  984E BANDWIDTH.COM CLEC, LLC - IL 520   2019-06-28   
618-577 1 Breese IL COVLILCQXOX  495J STRATUS NETWORKS 520   2020-12-18   
618-577 2 Breese IL STLSMOWQDS2  224C ONVOY, LLC 520   2019-09-07   
618-577 3 Breese IL STLSMOWQDS2  224C ONVOY, LLC 520   2019-09-07   
618-577 4 Breese IL BLVLILAJ3MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 520   2020-06-21   
618-577 5 Breese IL STLSMOWQDS2  224C ONVOY, LLC 520   2021-02-12   
618-577 6 Breese IL COVLILCLPMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 520   2022-08-05   
618-577 8 Breese IL MTVRILMV9MD  075A DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 520   2021-04-01   
618-577 9 Breese IL STLSMOWQ8MD  073H TELNYX LLC 520   2021-02-27   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.