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: 758

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-758 A St Clair MO STLSMOGZFMD  965H FRACTEL, LLC 520      
636-758 0 St Clair MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520      
636-758 1 St Clair MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520      
636-758 2 St Clair MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520      
636-758 3 St Clair MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520      
636-758 4 St Clair MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520      
636-758 5 St Clair MO   145J TERRA NOVA TELECOM INC. 520      
636-758 6 St Clair MO STLSMOGZFMD  965H FRACTEL, LLC 520      
636-758 7 St Clair MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-758 8 St Clair MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
636-758 9 St Clair MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.