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: GRMLMOFRRSB

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
573-372 A Gravois Mills MO 9533 SOUTHWESTERN BELL 520      
573-372 1 Gravois Mills MO 9533 SOUTHWESTERN BELL 520      
573-372 2 Gravois Mills MO 9533 SOUTHWESTERN BELL 520      
573-372 3 Gravois Mills MO 9533 SOUTHWESTERN BELL 520      
573-372 5 Gravois Mills MO 9533 SOUTHWESTERN BELL 520      
573-372 6 Gravois Mills MO 9533 SOUTHWESTERN BELL 520      
573-372 9 Gravois Mills MO 9533 SOUTHWESTERN BELL 520   2021-08-19   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.