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.

NPA: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 564

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-564 A Montgomery City MO MTCYMOLORS1  9533 SOUTHWESTERN BELL 520      
573-564 0 Montgomery City MO STLSMO09WMD  516C AT&T CORP. 520      
573-564 1 Montgomery City MO MTCYMOLORS1  9533 SOUTHWESTERN BELL 520      
573-564 2 Montgomery City MO MTCYMOLORS1  9533 SOUTHWESTERN BELL 520      
573-564 3 Montgomery City MO MTCYMOLORS1  9533 SOUTHWESTERN BELL 520      
573-564 4 Montgomery City MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
573-564 5 Montgomery City MO STLSMO09XMD  6123 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
573-564 6 Montgomery City MO MTCYMOLORS1  9533 SOUTHWESTERN BELL 520      
573-564 7 Montgomery City MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-564 8 Montgomery City MO MTCYMOLORS1  9533 SOUTHWESTERN BELL 520      
573-564 9 Montgomery City MO STLSMOGZ6MD  073H TELNYX LLC 520      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.