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: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-638 A Brinkley AR NLRKAR446MD  5562 METROPCS, INC. 528      
870-638 0 Brinkley AR LTRKARZOAMD  6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 528   2009-09-18   
870-638 3 Brinkley AR NLRKAR446MD  5562 METROPCS, INC. 528      
870-638 4 Brinkley AR LTRKARZOAMD  6805 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 528   2007-11-23   
870-638 7 Brinkley AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2021-03-04   
870-638 8 Brinkley AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2021-03-04   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.