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.

Wellston, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
405-356 A WLTNOKMARS1  9533 SOUTHWESTERN BELL 536      
405-356 0 OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2016-02-22   
405-356 1 WLTNOKMARS1  9533 SOUTHWESTERN BELL 536      
405-356 2 WLTNOKMARS1  9533 SOUTHWESTERN BELL 536      
405-356 3 OKCYOKCEXXY  516C AT&T CORP. 536   2011-02-05   
405-356 4 WLTNOKMARS1  9533 SOUTHWESTERN BELL 536      
405-356 6 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2008-12-01   
405-356 8 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2015-05-30   
405-356 9 WLTNOKMARS1  9533 SOUTHWESTERN BELL 536      
405-451 A OKCYOKCEXJY  409F ONVOY, LLC - OK 536      
405-451 0 OKCYOKCEX9Y  119F BANDWIDTH.COM CLEC, LLC - OK 536   2016-09-15   
405-451 1 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-07-23   
405-451 2 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-07-23   
405-451 3 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-10-30   
405-451 4 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2016-10-30   
405-451 5 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2018-05-03   
405-451 6 OKCYOKCEXBZ  073H TELNYX LLC 536   2018-10-31   
405-451 7 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-03-04   
405-451 8 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2019-01-21   
405-451 9 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2019-01-21   
572-800 A OKCYOKCEXLZ  965H FRACTEL, LLC 536      
572-800 0 OKCYOKCEXLZ  965H FRACTEL, LLC 536   2021-05-24   
572-800 1 OKCYOKCEXJZ  624H ONVOY SPECTRUM, LLC 536   2025-01-22   
572-800 3 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-08-06   
572-800 4 OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2021-10-10   
572-800 7 OKCYOKCEXFZ  197D VONAGE AMERICA LLC 536   2021-07-11   
572-800 8 OKCYOKCEXLZ  965H FRACTEL, LLC 536   2021-05-24   
572-800 9 OKCYOKCEDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2022-04-04   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.