Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 572 [Rate centres in NPA 572] [Dial plan for NPA 572]

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
572-203 A Noble OK ENIDOKMA7MD  390E CEBRIDGE TELECOM OK, LLC DBA SUDDENLINK COMMS - OK 536      
572-203 0 Noble OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2024-03-03   
572-203 1 Noble OK   409F ONVOY, LLC - OK 536   2025-05-09   
572-203 3 Noble OK ENIDOKMA7MD  390E CEBRIDGE TELECOM OK, LLC DBA SUDDENLINK COMMS - OK 536   2021-11-28   
572-203 4 Noble OK ENIDOKMA7MD  390E CEBRIDGE TELECOM OK, LLC DBA SUDDENLINK COMMS - OK 536   2021-11-28   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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