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: 405 [Rate centres in NPA 405] [Dial plan for NPA 405]

NXX: 583

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
405-583 A Mulhall OK STWROK06DS1  4630 CHICKASAW TELECOMMUNICAIONS SERVICES, INC. 536      
405-583 0 Mulhall OK OKCYOKCEXBZ  073H TELNYX LLC 536   2019-01-21   
405-583 1 Mulhall OK OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2016-02-22   
405-583 2 Mulhall OK STWROK06DS1  4630 CHICKASAW TELECOMMUNICAIONS SERVICES, INC. 536   2002-12-28   
405-583 3 Mulhall OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-07-06   
405-583 4 Mulhall OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2018-05-03   
405-583 5 Mulhall OK OKCYOKCEXXY  516C AT&T CORP. 536   2011-08-25   
405-583 6 Mulhall OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-03-04   
405-583 7 Mulhall OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-03-04   
405-583 8 Mulhall OK OKCYOKCEXVZ  506J TWILIO INTERNATIONAL, INC. 536   2021-07-16   
405-583 9 Mulhall OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2023-07-24   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.