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: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 268

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-268 A Columbia MO CLMAMOXAYMD  6529 T-MOBILE USA, INC. 521      
573-268 0 Columbia MO   6529 T-MOBILE USA, INC. 521      
573-268 1 Columbia MO   6529 T-MOBILE USA, INC. 521      
573-268 2 Columbia MO   6529 T-MOBILE USA, INC. 521      
573-268 3 Columbia MO   6529 T-MOBILE USA, INC. 521      
573-268 4 Columbia MO   6529 T-MOBILE USA, INC. 521      
573-268 5 Columbia MO   6529 T-MOBILE USA, INC. 521      
573-268 6 Columbia MO   6529 T-MOBILE USA, INC. 521      
573-268 7 Columbia MO   6529 T-MOBILE USA, INC. 521      
573-268 8 Columbia MO   6529 T-MOBILE USA, INC. 521      
573-268 9 Columbia MO   5562 METROPCS, INC. 521      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.