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.

Morris, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
539-321 A MRRSOKXCPS0  1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 538      
539-321 0 TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538   2019-01-07   
539-321 1 TULSOKTBXYY  390E CEBRIDGE TELECOM OK, LLC DBA SUDDENLINK COMMS - OK 538   2022-09-23   
539-321 2 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-03-04   
539-321 3 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2020-10-29   
539-321 5 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-03-04   
539-321 9 MRRSOKXCPS0  1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 538   2017-09-07   
918-733 A MRRSOKXCRP0  1165 VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW 538      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.