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: 236

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
539-236 A Inola OK TULSOKTBX8Y  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 538      
539-236 0 Inola OK TULSOKTBXXZ  624H ONVOY SPECTRUM, LLC 538   2025-01-23   
539-236 6 Inola OK TULSOKTBX8Y  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 538   2019-11-01   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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