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: PVLYMOAARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
636-475 A Herculaneum-Pevely MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-475 1 Herculaneum-Pevely MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-475 3 Herculaneum-Pevely MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-475 4 Herculaneum-Pevely MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-475 6 Herculaneum-Pevely MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-475 7 Herculaneum-Pevely MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-475 9 Herculaneum-Pevely MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-479 A Herculaneum-Pevely MO 9533 SOUTHWESTERN BELL 520      
636-479 4 Herculaneum-Pevely MO 9533 SOUTHWESTERN BELL 520      
636-479 6 Herculaneum-Pevely MO 9533 SOUTHWESTERN BELL 520      
636-479 7 Herculaneum-Pevely MO 9533 SOUTHWESTERN BELL 520      
636-479 9 Herculaneum-Pevely MO 9533 SOUTHWESTERN BELL 520      

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.