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: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-256 A Dillsburg PA HRBGPAGU9MD  321J HD CARRIER LLC 226      
223-256 0 Dillsburg PA   939H COMMIO, LLC 226   2022-12-05   
223-256 1 Dillsburg PA   073H TELNYX LLC 226   2023-01-23   
223-256 2 Dillsburg PA   547E ONVOY, LLC - PA 226   2021-07-19   
223-256 3 Dillsburg PA   547E ONVOY, LLC - PA 226   2021-07-19   
223-256 4 Dillsburg PA   516J TON80 COMMUNICATIONS, LLC 226   2021-06-01   
223-256 5 Dillsburg PA   624H ONVOY SPECTRUM, LLC 226   2021-12-04   
223-256 6 Dillsburg PA   624H ONVOY SPECTRUM, LLC 226   2021-12-04   
223-256 7 Dillsburg PA   967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 226   2021-07-26   
223-256 8 Dillsburg PA   321J HD CARRIER LLC 226   2021-05-29   
223-256 9 Dillsburg PA   321J HD CARRIER LLC 226   2021-05-29   

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

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