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: 851

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-851 A Crawfordsville AR JNBOARDSDS0  095A E. RITTER COMMS DBA RITTER COMMUNICATIONS, INC. AR 528      
870-851 0 Crawfordsville AR JNBOARMAX1X  624H ONVOY SPECTRUM, LLC 528   2025-01-07   
870-851 7 Crawfordsville AR JNBOARDSDS0  095A E. RITTER COMMS DBA RITTER COMMUNICATIONS, INC. AR 528   2022-07-17   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.