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: HVTRMO67DSA

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
636-936 5 Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-936 6 Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-936 7 Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-936 8 Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-939 A Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-939 0 Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-939 1 Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-939 2 Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-939 3 Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-939 4 Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-939 5 Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-939 6 Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-939 8 Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-939 9 Harvester MCA4 MO 9533 SOUTHWESTERN BELL 520      

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

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