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: 371

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
539-371 A Disney OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2026-02-12   
539-371 4 Disney OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2026-02-12   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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