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.

Switch: BRNKARMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
870-589 A Brinkley AR 9533 SOUTHWESTERN BELL 528      
870-589 2 Brinkley AR 9533 SOUTHWESTERN BELL 528      
870-734 A Brinkley AR 9533 SOUTHWESTERN BELL 528      
870-734 1 Brinkley AR 9533 SOUTHWESTERN BELL 528      
870-734 2 Brinkley AR 9533 SOUTHWESTERN BELL 528      
870-734 3 Brinkley AR 9533 SOUTHWESTERN BELL 528      
870-734 4 Brinkley AR 9533 SOUTHWESTERN BELL 528      
870-734 5 Brinkley AR 9533 SOUTHWESTERN BELL 528      
870-734 6 Brinkley AR 9533 SOUTHWESTERN BELL 528      
870-734 7 Brinkley AR 9533 SOUTHWESTERN BELL 528      
870-734 8 Brinkley AR 9533 SOUTHWESTERN BELL 528      
870-734 9 Brinkley AR 9533 SOUTHWESTERN BELL 528      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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