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: 800

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-800 A Poplar Grove IL FRPTILXACMD  846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360   2024-01-08   
815-800 0 Poplar Grove IL   224C ONVOY, LLC 360   2019-01-13   
815-800 1 Poplar Grove IL   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 360   2010-05-21   
815-800 2 Poplar Grove IL   224C ONVOY, LLC 360   2021-04-02   
815-800 3 Poplar Grove IL   224C ONVOY, LLC 360   2021-04-02   
815-800 4 Poplar Grove IL   224C ONVOY, LLC 360   2023-09-11   
815-800 5 Poplar Grove IL   224C ONVOY, LLC 360   2018-07-30   
815-800 6 Poplar Grove IL   939H COMMIO, LLC 360   2022-12-10   
815-800 7 Poplar Grove IL   508J CENTURYLINK COMMUNICATIONS, LLC 360   2016-02-20   
815-800 8 Poplar Grove IL   073H TELNYX LLC 360   2020-07-19   
815-800 9 Poplar Grove IL   495J STRATUS NETWORKS 360   2021-01-11   

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

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