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: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-991 A Carthage AR PNBLAREK0MD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530      
870-991 7 Carthage AR PNBLAREK0MD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 530   2015-07-20   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.