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: 720

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-720 A Viola AR   624H ONVOY SPECTRUM, LLC 528   2024-04-25   
870-720 0 Viola AR   624H ONVOY SPECTRUM, LLC 528      
870-720 9 Viola AR   6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 528      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.