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.

Carthage, AR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
870-254 A CRTHARXARS1  1691 WINDSTREAM ARKANSAS, INC. 530      
870-991 A PNBLAREK0MD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530      
870-991 7 PNBLAREK0MD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530   2015-07-20   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.