Local Calling Guide

Area code/prefix search

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NPA: 724 [Rate centres in NPA 724] [Dial plan for NPA 724]

NXX: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
724-278 A Donora PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
724-278 0 Donora PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-30   
724-278 1 Donora PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
724-278 3 Donora PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2014-02-27   
724-278 4 Donora PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-04-20   
724-278 5 Donora PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-04-20   
724-278 6 Donora PA PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2021-01-10   
724-278 7 Donora PA   967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2025-03-25   
724-278 8 Donora PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2015-08-05   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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