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: 701

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-701 A Highland IL STLVMOOH6MD  5562 METROPCS, INC. 520      
618-701 0 Highland IL   5562 METROPCS, INC. 520   2014-08-28   
618-701 1 Highland IL   6529 T-MOBILE USA, INC. 520   2017-01-11   
618-701 2 Highland IL   984E BANDWIDTH.COM CLEC, LLC - IL 520   2019-01-21   
618-701 3 Highland IL   224C ONVOY, LLC 520   2019-07-29   
618-701 4 Highland IL   224C ONVOY, LLC 520   2019-07-29   
618-701 5 Highland IL   495J STRATUS NETWORKS 520   2020-12-18   
618-701 6 Highland IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 520   2019-04-09   
618-701 7 Highland IL   508J CENTURYLINK COMMUNICATIONS, LLC 520   2016-01-22   
618-701 8 Highland IL   5562 METROPCS, INC. 520   2018-04-27   
618-701 9 Highland IL   984E BANDWIDTH.COM CLEC, LLC - IL 520   2020-04-09   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.