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: 870 [Rate centres in NPA 870] [Dial plan for NPA 870]

NXX: 590

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-590 A Smackover AR PNBLARIFTMD  516C AT&T CORP. 530      
870-590 0 Smackover AR PNBLARJEXSY  624H ONVOY SPECTRUM, LLC 530   2024-07-01   
870-590 1 Smackover AR PNBLARJEX2Y  240H AIRECAST, LLC - AR 530   2017-10-20   
870-590 2 Smackover AR PNBLAREK0MD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530   2019-07-08   
870-590 5 Smackover AR PNBLARIFTMD  516C AT&T CORP. 530   2011-08-11   
870-590 6 Smackover AR PNBLARIFUMD  802C TELEPORT COMMUNICATIONS AMERICA, LLC - AR 530   2019-08-09   
870-590 7 Smackover AR PNBLARJEX7Y  508J CENTURYLINK COMMUNICATIONS, LLC 530   2015-04-22   
870-590 9 Smackover AR PNBLAR233MD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530   2008-05-26   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.