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.

OCN: 554A SOCKET TELECOM, LLC - MO

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
573-447 6 Columbia MO CLMAMOXAQMD  521      
573-447 7 Columbia MO CLMAMOXAQMD  521      
573-447 8 Columbia MO CLMAMOXAQMD  521      
573-507 A Columbia MO CLMAMOXAQMD  521      
573-507 4 Columbia MO CLMAMOXAQMD  521      
573-507 5 Columbia MO CLMAMOXAQMD  521      
573-554 5 Columbia MO CLMAMOXAQMD  521      
573-607 A Columbia MO CLMAMOXAQMD  521      
573-607 1 Columbia MO CLMAMOXAQMD  521      
573-607 2 Columbia MO CLMAMOXAQMD  521      
573-607 3 Columbia MO CLMAMOXAQMD  521      
573-657 3 Ashland MO CLMAMOXAQMD  521      
573-687 7 Sturgeon MO CLMAMOXAQMD  521      
573-696 6 Hallsville MO CLMAMOXAQMD  521      
573-777 A Columbia MO CLMAMOXAQMD  521      
573-777 1 Columbia MO CLMAMOXAQMD  521      
573-777 3 Columbia MO CLMAMOXAQMD  521      
573-777 4 Columbia MO CLMAMOXAQMD  521      
573-777 5 Columbia MO CLMAMOXAQMD  521      
573-777 6 Columbia MO CLMAMOXAQMD  521      
573-777 7 Columbia MO CLMAMOXAQMD  521      
573-777 8 Columbia MO CLMAMOXAQMD  521      
573-777 9 Columbia MO CLMAMOXAQMD  521      
573-982 A Centralia MO CLMAMOXAQMD  521      
573-982 1 Centralia MO CLMAMOXAQMD  521      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.