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: 636 [Rate centres in NPA 636] [Dial plan for NPA 636]

NXX: 689

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-689 A Valley Park MO CRVCMOGMDS0  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
636-689 0 Valley Park MO   093F ONVOY, LLC - MO 520      
636-689 1 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-689 2 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-689 3 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-689 4 Valley Park MO   093F ONVOY, LLC - MO 520      
636-689 5 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-689 6 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-689 7 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-689 8 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-689 9 Valley Park MO CRVCMOGMDS0  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.