Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 539 [Rate centres in NPA 539] [Dial plan for NPA 539]

NXX: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
539-300 A Westville OK TULSOKTBXFZ  965H FRACTEL, LLC 538      
539-300 0 Westville OK TULSOKTBXFZ  965H FRACTEL, LLC 538   2022-01-17   
539-300 1 Westville OK TULSOKTBXXZ  624H ONVOY SPECTRUM, LLC 538   2025-01-23   
539-300 3 Westville OK TULSOKTBXCZ  145J TERRA NOVA TELECOM INC. 538   2024-05-24   
539-300 7 Westville OK TLSAOKSMBMD  516C AT&T CORP. 538   2022-12-12   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.