Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 724 [Rate centres in NPA 724] [Dial plan for NPA 724]

NXX: 648

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-648 A California PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
724-648 0 California PA   547E ONVOY, LLC - PA 234   2016-04-16   
724-648 1 California PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
724-648 3 California PA   002F BANDWIDTH.COM CLEC, LLC - PA 234   2012-11-16   
724-648 4 California PA   547E ONVOY, LLC - PA 234   2021-02-25   
724-648 5 California PA   547E ONVOY, LLC - PA 234   2021-02-25   
724-648 6 California PA   624H ONVOY SPECTRUM, LLC 234   2021-05-17   
724-648 7 California PA   516J TON80 COMMUNICATIONS, LLC 234   2021-06-17   
724-648 8 California PA   547E ONVOY, LLC - PA 234   2013-08-31   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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