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: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-306 A Prospect PA PITBPAKBGT0  3806 CORE COMMUNICATIONS, INC. - PA 234      
724-306 0 Prospect PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-06-07   
724-306 1 Prospect PA   422C ARMSTRONG TELECOMMUNICATIONS, INC. - PA 234   2007-09-07   
724-306 2 Prospect PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-06-16   
724-306 3 Prospect PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-06-16   
724-306 4 Prospect PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-06-16   
724-306 6 Prospect PA   547E ONVOY, LLC - PA 234   2020-04-01   
724-306 7 Prospect PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2015-06-17   

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

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