Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 580 [Rate centres in NPA 580] [Dial plan for NPA 580]

NXX: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-238 A Marietta OK OKCBOKHVCM0  6272 UNITED STATES CELLULAR CORP. - OKLAHOMA 536      
580-238 0 Marietta OK OKCBOKHVCM0  6272 UNITED STATES CELLULAR CORP. - OKLAHOMA 536      
580-238 1 Marietta OK OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2015-12-05   
580-238 2 Marietta OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-06-27   
580-238 3 Marietta OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2014-02-03   
580-238 4 Marietta OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-06-27   
580-238 5 Marietta OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2018-05-03   
580-238 7 Marietta OK OKCYOKCEXXY  516C AT&T CORP. 536   2015-04-03   
580-238 8 Marietta OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2007-02-15   
580-238 9 Marietta OK OKCYOKMTG01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2016-03-31   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.