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: 229

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-229 A Harvester MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-229 0 Harvester MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-229 1 Harvester MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2010-04-29   
636-229 2 Harvester MO STLVMOOH6MD  5562 METROPCS, INC. 520   2012-09-10   
636-229 3 Harvester MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
636-229 4 Harvester MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2006-05-08   
636-229 5 Harvester MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2006-06-08   
636-229 6 Harvester MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2006-07-30   
636-229 7 Harvester MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2008-12-20   
636-229 8 Harvester MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2008-02-03   
636-229 9 Harvester MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2012-09-09   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.