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: 339

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
539-339 A Keefeton OK TULTOKCL8MD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538      
539-339 7 Keefeton OK TULTOKCL8MD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2022-05-31   
539-339 9 Keefeton OK   145J TERRA NOVA TELECOM INC. 538   2025-07-17   

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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