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: TRENMOELRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
660-339 A Trenton MO 9533 SOUTHWESTERN BELL 524      
660-339 0 Trenton MO 9533 SOUTHWESTERN BELL 524      
660-339 1 Trenton MO 9533 SOUTHWESTERN BELL 524      
660-339 7 Trenton MO 9533 SOUTHWESTERN BELL 524      
660-357 4 Trenton MO 9533 SOUTHWESTERN BELL 524   2015-05-18   
660-358 A Trenton MO 9533 SOUTHWESTERN BELL 524      
660-358 2 Trenton MO 9533 SOUTHWESTERN BELL 524      
660-358 4 Trenton MO 9533 SOUTHWESTERN BELL 524      
660-358 5 Trenton MO 9533 SOUTHWESTERN BELL 524      
660-359 A Trenton MO 9533 SOUTHWESTERN BELL 524      
660-359 1 Trenton MO 9533 SOUTHWESTERN BELL 524      
660-359 2 Trenton MO 9533 SOUTHWESTERN BELL 524      
660-359 3 Trenton MO 9533 SOUTHWESTERN BELL 524      
660-359 4 Trenton MO 9533 SOUTHWESTERN BELL 524      
660-359 5 Trenton MO 9533 SOUTHWESTERN BELL 524      
660-359 6 Trenton MO 9533 SOUTHWESTERN BELL 524      
660-359 7 Trenton MO 9533 SOUTHWESTERN BELL 524      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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