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: SPFDMODL9MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
417-507 5 Springfield MO 197D VONAGE AMERICA LLC 522   2020-05-11   
417-507 6 Springfield MO 197D VONAGE AMERICA LLC 522   2020-05-11   
417-800 2 Nevada MO 197D VONAGE AMERICA LLC 522   2021-06-20   
417-907 A Galena MO 197D VONAGE AMERICA LLC 522      
417-907 0 Galena MO 197D VONAGE AMERICA LLC 522   2018-05-17   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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