Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 539 [Rate centres in NPA 539] [Dial plan for NPA 539]

NXX: 635

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
539-635 A Savanna OK TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538      
539-635 0 Savanna OK TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538   2020-03-20   
539-635 1 Savanna OK TULSOKTBXXZ  624H ONVOY SPECTRUM, LLC 538   2025-01-23   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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