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: ATSNKSSFRS3

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
816-579 A East Atchison MO 9533 SOUTHWESTERN BELL 524      
816-579 5 East Atchison MO 9533 SOUTHWESTERN BELL 524      
816-579 9 East Atchison MO 9533 SOUTHWESTERN BELL 524      
913-360 A Atchison KS 9533 SOUTHWESTERN BELL 524      
913-360 1 Atchison KS 9533 SOUTHWESTERN BELL 524      
913-360 3 Atchison KS 9533 SOUTHWESTERN BELL 524      
913-360 4 Atchison KS 9533 SOUTHWESTERN BELL 524      
913-360 5 Atchison KS 9533 SOUTHWESTERN BELL 524      
913-360 6 Atchison KS 9533 SOUTHWESTERN BELL 524      
913-360 7 Atchison KS 9533 SOUTHWESTERN BELL 524      
913-360 8 Atchison KS 9533 SOUTHWESTERN BELL 524      
913-367 A Atchison KS 9533 SOUTHWESTERN BELL 524      
913-674 2 Atchison KS 9533 SOUTHWESTERN BELL 524   2009-12-22   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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