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: 888

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-888 A St Clair MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
636-888 0 St Clair MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
636-888 1 St Clair MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
636-888 2 St Clair MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-888 3 St Clair MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-888 4 St Clair MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-888 5 St Clair MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-888 6 St Clair MO STLSMO09XMD  6123 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
636-888 7 St Clair MO WNVLMOXAXBX  508J CENTURYLINK COMMUNICATIONS, LLC 520      
636-888 8 St Clair MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
636-888 9 St Clair MO STLSMOGZ6MD  073H TELNYX LLC 520      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.