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.
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NPA: 417 [Rate centres in NPA 417] [Dial plan for NPA 417]

NXX: 750

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-750 A Springfield MO SPFDMOTLXYY  622J SKYE TELECOM LLC DBA SKYETEL 522      
417-750 0 Springfield MO SPFDMOTLXYY  622J SKYE TELECOM LLC DBA SKYETEL 522   2021-11-05   
417-750 1 Springfield MO SPFDMOTLXQY  624H ONVOY SPECTRUM, LLC 522   2022-09-10   
417-750 8 Springfield MO SPFDMOTLXQY  624H ONVOY SPECTRUM, LLC 522   2022-09-10   
417-750 9 Springfield MO SPFDMOTLXQY  624H ONVOY SPECTRUM, LLC 522   2022-09-10   

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

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