Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

NXX: 481

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-481 A Brighton IL COVLILCQXEX  508J CENTURYLINK COMMUNICATIONS, LLC 520      
618-481 0 Brighton IL   073H TELNYX LLC 520   2018-07-19   
618-481 1 Brighton IL   224C ONVOY, LLC 520   2016-04-01   
618-481 2 Brighton IL   224C ONVOY, LLC 520   2016-04-01   
618-481 3 Brighton IL   984E BANDWIDTH.COM CLEC, LLC - IL 520   2018-08-31   
618-481 4 Brighton IL   224C ONVOY, LLC 520   2016-09-07   
618-481 5 Brighton IL   224C ONVOY, LLC 520   2016-09-07   
618-481 6 Brighton IL   224C ONVOY, LLC 520   2021-05-21   
618-481 7 Brighton IL   508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-08-25   
618-481 8 Brighton IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2018-05-12   
618-481 9 Brighton IL   495J STRATUS NETWORKS 520   2020-12-18   

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

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