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: 275

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
539-275 A Okemah OK TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538      
539-275 0 Okemah OK TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538   2022-03-06   
539-275 1 Okemah OK TULSOKTBXXZ  624H ONVOY SPECTRUM, LLC 538   2025-01-23   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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