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: ARMRALXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
256-420 A Ardmore (Madison) AL 0280 ARDMORE TEL. CO., INC. 470      
256-423 A Ardmore (Limestone) AL 0280 ARDMORE TEL. CO., INC. 470      
931-427 A Ardmore TN 0280 ARDMORE TEL. CO., INC. 470      
931-565 A Minor Hill TN 0280 ARDMORE TEL. CO., INC. 470      
931-732 A McBurg TN 0280 ARDMORE TEL. CO., INC. 470      

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

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