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: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-250 A Orchard Farm MCA3 MO ORCHMOXARS0  1934 ORCHARD FARM TEL. CO. 520      
636-250 3 Orchard Farm MCA3 MO ORCHMOXARS0  1934 ORCHARD FARM TEL. CO. 520      
636-250 4 Orchard Farm MCA3 MO ORCHMOXARS0  1934 ORCHARD FARM TEL. CO. 520      
636-250 5 Orchard Farm MCA3 MO ORCHMOXARS0  1934 ORCHARD FARM TEL. CO. 520      
636-250 8 Orchard Farm MCA3 MO STLVMOOH3MD  5562 METROPCS, INC. 520   2014-07-25   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.