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: 220

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
539-220 A Heavener OK TULSOKTBX6Z  508J CENTURYLINK COMMUNICATIONS, LLC 538      
539-220 3 Heavener OK TULTOKCL8MD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2019-03-23   
539-220 6 Heavener OK TULSOKTBX8Y  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 538   2019-10-04   
539-220 7 Heavener OK TULSOKTBX6Z  508J CENTURYLINK COMMUNICATIONS, LLC 538   2017-06-08   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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