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.

Yukon, OK

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
405-578 3 YUKNOKMADS0  9533 SOUTHWESTERN BELL 536   2014-10-24   
405-578 4 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2014-06-15   
405-578 5 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2015-05-28   
405-578 6 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-03-24   
405-578 7 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-03-24   
405-578 8 OKCYOKCEXXY  516C AT&T CORP. 536   2014-07-31   
405-578 9 OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2016-02-22   
405-805 A   409F ONVOY, LLC - OK 536      
405-805 0   409F ONVOY, LLC - OK 536      
405-805 1   409F ONVOY, LLC - OK 536      
405-805 2   409F ONVOY, LLC - OK 536      
405-805 3 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2022-08-15   
405-805 4 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2022-08-15   
405-805 5   409F ONVOY, LLC - OK 536      
405-805 6 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2011-03-07   
405-805 7   409F ONVOY, LLC - OK 536      
405-805 8   409F ONVOY, LLC - OK 536      
405-805 9 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2023-07-24   
405-870 A OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-870 0   6529 T-MOBILE USA, INC. 536   2021-12-13   
405-870 1 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-11-21   
405-870 2 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-11-21   
405-870 3 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-11-21   
405-870 4 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2024-12-01   
405-870 5 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2023-01-01   
405-870 6 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-05-07   
405-870 7 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-05-07   
405-870 8 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-05-07   
405-870 9 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2023-01-01   
572-223 A OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
572-223 0 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2024-02-29   
572-223 1 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2024-02-29   
572-223 2 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2023-10-22   
572-223 3   409F ONVOY, LLC - OK 536   2026-06-22   
572-223 4 OKCYOKCE07Z  490J BOOST SUBSCRIBERCO L.L.C. 536   2024-09-13   
572-223 5   409F ONVOY, LLC - OK 536   2026-06-22   
572-223 6 OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2024-09-29   
572-223 7 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2024-07-08   
572-223 8 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2024-07-08   
572-223 9 OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2024-03-24   
572-252 A OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536   2025-02-19   
572-252 0 OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536   2025-02-19   
572-252 1 OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536   2025-02-19   
572-252 2   145J TERRA NOVA TELECOM INC. 536   2025-08-30   
572-252 8   409F ONVOY, LLC - OK 536   2025-03-09   
572-252 9   409F ONVOY, LLC - OK 536   2025-05-09   

<< 1 2

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.