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: 601

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-601 A Monette AR LTRKARFRXPY  802C TELEPORT COMMUNICATIONS AMERICA, LLC - AR 528      
870-601 0 Monette AR   624H ONVOY SPECTRUM, LLC 528   2025-01-07   
870-601 1 Monette AR   348F ONVOY, LLC - AR 528   2020-10-16   
870-601 2 Monette AR   348F ONVOY, LLC - AR 528   2020-10-16   
870-601 3 Monette AR   348F ONVOY, LLC - AR 528   2021-04-18   
870-601 6 Monette AR   802C TELEPORT COMMUNICATIONS AMERICA, LLC - AR 528   2019-02-14   
870-601 7 Monette AR   348F ONVOY, LLC - AR 528   2020-03-13   
870-601 8 Monette AR   348F ONVOY, LLC - AR 528   2021-08-08   
870-601 9 Monette AR   6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 528   2025-10-30   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.