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.

Switch: KNNTMOTUH02

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
573-316 A Cardwell MO 023B BIG RIVER TELEPHONE COMPANY, LLC - MO 520   2004-03-15   
573-370 A Gideon MO 023B BIG RIVER TELEPHONE COMPANY, LLC - MO 520   2004-03-15   
573-371 A Holcomb MO 023B BIG RIVER TELEPHONE COMPANY, LLC - MO 520   2004-03-15   
573-376 A Hornersville MO 023B BIG RIVER TELEPHONE COMPANY, LLC - MO 520   2004-03-15   
573-394 A Risco MO 023B BIG RIVER TELEPHONE COMPANY, LLC - MO 520   2004-03-15   
573-402 A Wardell MO 023B BIG RIVER TELEPHONE COMPANY, LLC - MO 520   2004-03-15   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.