Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 223 [Rate centres in NPA 223] [Dial plan for NPA 223]

NXX: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-999 A Shellsville PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226      
223-999 0 Shellsville PA   3806 CORE COMMUNICATIONS, INC. - PA 226   2018-06-08   
223-999 1 Shellsville PA   3806 CORE COMMUNICATIONS, INC. - PA 226   2018-06-08   
223-999 2 Shellsville PA   3806 CORE COMMUNICATIONS, INC. - PA 226   2018-06-08   
223-999 3 Shellsville PA HRBGPAGUDS1  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 226   2019-06-26   
223-999 4 Shellsville PA   3806 CORE COMMUNICATIONS, INC. - PA 226   2019-03-27   
223-999 5 Shellsville PA   3806 CORE COMMUNICATIONS, INC. - PA 226   2019-03-27   
223-999 6 Shellsville PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226   2019-09-20   
223-999 7 Shellsville PA   3806 CORE COMMUNICATIONS, INC. - PA 226   2019-03-27   
223-999 9 Shellsville PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226   2017-10-30   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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