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: 435

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-435 A Valley Park MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-435 1 Valley Park MO   515J IP HORIZON LLC 520      
636-435 2 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-435 3 Valley Park MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-435 4 Valley Park MO   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-435 5 Valley Park MO   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-435 6 Valley Park MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
636-435 7 Valley Park MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-435 8 Valley Park MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.