Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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 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 8 TULSOKTBXXZ  624H ONVOY SPECTRUM, LLC 538   2025-01-23   
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: Thu, 16 Jul 2026 02:21:55 UTC

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