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: LTRKARMODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
501-265 A Little Rock AR 9533 SOUTHWESTERN BELL 528      
501-280 A Little Rock AR 9533 SOUTHWESTERN BELL 528      
501-296 A Little Rock AR 9533 SOUTHWESTERN BELL 528      
501-558 A Little Rock AR 9533 SOUTHWESTERN BELL 528      
501-603 A Little Rock AR 9533 SOUTHWESTERN BELL 528      
501-614 A Little Rock AR 9533 SOUTHWESTERN BELL 528      
501-615 A Little Rock AR 9533 SOUTHWESTERN BELL 528      
501-660 A Little Rock AR 9533 SOUTHWESTERN BELL 528      
501-661 A Little Rock AR 9533 SOUTHWESTERN BELL 528      
501-663 A Little Rock AR 9533 SOUTHWESTERN BELL 528      
501-664 A Little Rock AR 9533 SOUTHWESTERN BELL 528      
501-666 A Little Rock AR 9533 SOUTHWESTERN BELL 528      
501-671 A Little Rock AR 9533 SOUTHWESTERN BELL 528      
501-686 A Little Rock AR 9533 SOUTHWESTERN BELL 528      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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