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: 351

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
539-351 A Clayton OK TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
539-351 8 Clayton OK TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2021-11-25   
539-351 9 Clayton OK TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2021-11-25   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.