Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 580 [Rate centres in NPA 580] [Dial plan for NPA 580]

NXX: 741

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-741 A Medford OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-741 0 Medford OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-741 1 Medford OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536      
580-741 2 Medford OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-06-15   
580-741 3 Medford OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-06-15   
580-741 4 Medford OK OKCYOKMPDS0  7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 536   2017-09-15   
580-741 6 Medford OK OKCYOKCEXOY  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536   2020-03-23   
580-741 7 Medford OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-06-26   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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