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: 497

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-497 A Compton IL CMTNILXARS0  1015 FRONTIER NORTH, INC. - IL 368      
815-497 1 Compton IL CMTNILXARS0  1015 FRONTIER NORTH, INC. - IL 368      
815-497 2 Compton IL CMTNILXARS0  1015 FRONTIER NORTH, INC. - IL 368      
815-497 3 Compton IL   145J TERRA NOVA TELECOM INC. 368   2025-05-31   
815-497 4 Compton IL PRTNILXAX0X  224C ONVOY, LLC 368   2024-12-30   
815-497 5 Compton IL PEORILPJXRZ  495J STRATUS NETWORKS 368   2020-08-02   
815-497 6 Compton IL PRTNILXA8MD  624H ONVOY SPECTRUM, LLC 368   2024-12-02   
815-497 7 Compton IL PEORILPJX1Z  508J CENTURYLINK COMMUNICATIONS, LLC 368   2016-08-02   
815-497 9 Compton IL CMTNILXARS0  1015 FRONTIER NORTH, INC. - IL 368      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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