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: 287

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
539-287 A Yale OK TLSAOKSMBMD  516C AT&T CORP. 538      
539-287 0 Yale OK   409F ONVOY, LLC - OK 538   2023-08-06   
539-287 1 Yale OK   624H ONVOY SPECTRUM, LLC 538   2025-01-23   
539-287 2 Yale OK   409F ONVOY, LLC - OK 538   2022-12-20   
539-287 7 Yale OK   516C AT&T CORP. 538   2022-12-19   
539-287 8 Yale OK   490J DISH WIRELESS, LLC 538   2024-03-03   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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