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: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-677 A Smock PA SMCKPASMRS0  9208 VERIZON PENNSYLVANIA, INC. 234      
724-677 0 Smock PA   9208 VERIZON PENNSYLVANIA, INC. 234      
724-677 1 Smock PA   515J IP HORIZON LLC 234   2018-01-07   
724-677 2 Smock PA   9208 VERIZON PENNSYLVANIA, INC. 234      
724-677 4 Smock PA   9208 VERIZON PENNSYLVANIA, INC. 234      
724-677 5 Smock PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-07-08   
724-677 6 Smock PA   002F BANDWIDTH.COM CLEC, LLC - PA 234   2014-09-26   
724-677 7 Smock PA   213C IDT AMERICA, CORP. - PA 234   2006-10-06   
724-677 8 Smock PA   508J CENTURYLINK COMMUNICATIONS, LLC 234   2015-06-20   
724-677 9 Smock PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-07-08   

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

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