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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Switch: JFCYMOXAX6Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
235-888 4 Freeburg MO 624H ONVOY SPECTRUM, LLC 521   2024-11-18   
235-888 5 Freeburg MO 624H ONVOY SPECTRUM, LLC 521   2024-11-18   
235-888 6 Freeburg MO 624H ONVOY SPECTRUM, LLC 521   2024-11-18   
573-257 A Jefferson City MO 624H ONVOY SPECTRUM, LLC 521      
573-257 8 Jefferson City MO 624H ONVOY SPECTRUM, LLC 521   2022-08-19   
573-285 8 Clarksburg MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-304 1 California MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-395 1 Taos MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-405 8 Vienna MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-455 8 Westphalia MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-493 8 St Elizabeth MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-520 9 Russellville MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-584 7 Centertown MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-595 8 Eugene MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-728 8 Argyle MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-744 7 Freeburg MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-763 9 Chamois MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-799 8 Linn MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-861 1 Jefferson City MO 624H ONVOY SPECTRUM, LLC 521   2023-11-27   
573-861 3 Jefferson City MO 624H ONVOY SPECTRUM, LLC 521   2023-11-27   
573-861 4 Jefferson City MO 624H ONVOY SPECTRUM, LLC 521   2023-11-27   
573-861 5 Jefferson City MO 624H ONVOY SPECTRUM, LLC 521   2023-11-27   
573-861 6 Jefferson City MO 624H ONVOY SPECTRUM, LLC 521   2023-11-27   
573-903 1 Brazito MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-907 1 St Thomas MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-909 1 New Bloomfield MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-943 8 Mount Sterling MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-972 8 Meta MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   
573-992 0 Morrison MO 624H ONVOY SPECTRUM, LLC 521   2024-03-05   

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

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