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: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
539-255 A Picher OK TULSOKTBXHY  409F ONVOY, LLC - OK 538      
539-255 0 Picher OK TULSOKTBXXZ  624H ONVOY SPECTRUM, LLC 538   2025-01-23   
539-255 2 Picher OK TULSOKTBXCZ  145J TERRA NOVA TELECOM INC. 538   2024-08-20   
539-255 3 Picher OK TULSOKTBXHZ  516J TON80 COMMUNICATIONS, LLC 538   2021-06-24   
539-255 4 Picher OK TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-03-05   
539-255 5 Picher OK TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-03-05   
539-255 6 Picher OK TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-05-28   
539-255 7 Picher OK TLSAOKSMBMD  516C AT&T CORP. 538   2022-12-12   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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