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: 236

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-236 A Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
636-236 0 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2003-11-19   
636-236 1 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
636-236 2 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2003-06-14   
636-236 3 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2004-03-08   
636-236 4 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
636-236 5 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
636-236 6 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2003-10-29   
636-236 7 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
636-236 8 Chesterfield MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2003-07-08   
636-236 9 Chesterfield MO STLVMOOH6MD  5562 METROPCS, INC. 520      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.