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: 797

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-797 A Jefferson City MO JFCYMOXAEMD  6529 T-MOBILE USA, INC. 521      
573-797 0 Jefferson City MO JFCYMOXAEMD  6529 T-MOBILE USA, INC. 521      
573-797 3 Jefferson City MO JFCYMOXAEMD  6529 T-MOBILE USA, INC. 521   2022-07-09   
573-797 4 Jefferson City MO JFCYMOXAEMD  6529 T-MOBILE USA, INC. 521   2022-07-09   
573-797 5 Jefferson City MO JFCYMOXAEMD  6529 T-MOBILE USA, INC. 521   2022-07-09   
573-797 6 Jefferson City MO JFCYMOXAEMD  6529 T-MOBILE USA, INC. 521      
573-797 7 Jefferson City MO JFCYMOXAEMD  6529 T-MOBILE USA, INC. 521   2022-07-09   
573-797 8 Jefferson City MO JFCYMOXAEMD  6529 T-MOBILE USA, INC. 521   2013-01-16   
573-797 9 Jefferson City MO JFCYMOXAEMD  6529 T-MOBILE USA, INC. 521      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.