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: NSVLARMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
870-451 A Nashville AR 9533 SOUTHWESTERN BELL 528      
870-451 1 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-451 2 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-451 3 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-451 4 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-451 6 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-451 7 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-451 9 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-845 A Nashville AR 9533 SOUTHWESTERN BELL 528      
870-845 1 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-845 2 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-845 3 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-845 4 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-845 5 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-845 6 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-845 7 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-845 8 Nashville AR 9533 SOUTHWESTERN BELL 528      
870-845 9 Nashville AR 9533 SOUTHWESTERN BELL 528      

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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