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: ANTOMO50RS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
636-942 A Antonia MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-942 1 Antonia MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-942 2 Antonia MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-942 3 Antonia MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-942 4 Antonia MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-942 7 Antonia MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-942 9 Antonia MCA4 MO 9533 SOUTHWESTERN BELL 520      
636-948 A Antonia MO 9533 SOUTHWESTERN BELL 520      
636-948 0 Antonia MO 9533 SOUTHWESTERN BELL 520      
636-948 2 Antonia MO 9533 SOUTHWESTERN BELL 520      
636-948 4 Antonia MO 9533 SOUTHWESTERN BELL 520      
636-948 9 Antonia MO 9533 SOUTHWESTERN BELL 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.