Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 283

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-283 A Waterman IL DKLBILXAQMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 364      
815-283 0 Waterman IL   224C ONVOY, LLC 364   2021-10-16   
815-283 1 Waterman IL   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 364   2010-05-07   
815-283 2 Waterman IL   224C ONVOY, LLC 364   2019-05-23   
815-283 3 Waterman IL   224C ONVOY, LLC 364   2018-10-01   
815-283 4 Waterman IL   224C ONVOY, LLC 364   2020-06-20   
815-283 5 Waterman IL   224C ONVOY, LLC 364   2020-06-20   
815-283 6 Waterman IL   224C ONVOY, LLC 364   2021-04-03   
815-283 7 Waterman IL   508J CENTURYLINK COMMUNICATIONS, LLC 364   2014-08-08   
815-283 8 Waterman IL   224C ONVOY, LLC 364   2019-05-23   
815-283 9 Waterman IL   495J STRATUS NETWORKS 364   2020-10-14   

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

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