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: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-210 A Denver PA HRBGPAHAXTX  318J COMCAST IP PHONE, LLC 226      
223-210 0 Denver PA   516J TON80 COMMUNICATIONS, LLC 226   2021-07-10   
223-210 1 Denver PA   318J COMCAST IP PHONE, LLC 226   2018-11-01   
223-210 2 Denver PA   547E ONVOY, LLC - PA 226   2022-11-23   
223-210 3 Denver PA   547E ONVOY, LLC - PA 226   2021-09-20   
223-210 4 Denver PA   547E ONVOY, LLC - PA 226   2023-01-02   
223-210 5 Denver PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 226   2021-08-27   
223-210 6 Denver PA   547E ONVOY, LLC - PA 226   2022-09-26   
223-210 7 Denver PA   547E ONVOY, LLC - PA 226   2022-09-26   
223-210 8 Denver PA   547E ONVOY, LLC - PA 226   2023-03-02   
223-210 9 Denver PA   547E ONVOY, LLC - PA 226   2023-04-13   

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

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