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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
870-737 A Portland AR PTLDARMARS1  9533 SOUTHWESTERN BELL 530      
870-737 1 Portland AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530      
870-737 2 Portland AR   9533 SOUTHWESTERN BELL 530      
870-737 3 Portland AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 530      
870-737 4 Portland AR   9533 SOUTHWESTERN BELL 530      
870-737 5 Portland AR   516C AT&T CORP. 530   2011-03-25   
870-737 7 Portland AR   7575 CENTURYLINK COMMUNICATIONS LLC 530   2015-04-22   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.