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-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
667-669 8 Galena MD 624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-670 3 Sudlersville MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-676 1 Willards MD 624H ONVOY SPECTRUM, LLC 242   2022-03-14   
667-676 2 Willards MD 624H ONVOY SPECTRUM, LLC 242   2022-03-14   
667-676 4 Willards MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-687 8 Warwick MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-766 2 Stevensville MD 624H ONVOY SPECTRUM, LLC 242   2022-02-03   
667-766 3 Stevensville MD 624H ONVOY SPECTRUM, LLC 242   2022-02-03   
667-766 8 Stevensville MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-767 1 St Michaels MD 624H ONVOY SPECTRUM, LLC 242   2022-03-14   
667-767 2 St Michaels MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-775 A Millington MD 624H ONVOY SPECTRUM, LLC 242      
667-775 3 Millington MD 624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-775 4 Millington MD 624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-775 7 Millington MD 624H ONVOY SPECTRUM, LLC 242   2021-08-16   
667-853 1 Pocomoke MD 624H ONVOY SPECTRUM, LLC 242   2022-02-28   
667-853 2 Pocomoke MD 624H ONVOY SPECTRUM, LLC 242   2022-02-28   
667-853 7 Pocomoke MD 624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-868 3 Crisfield MD 624H ONVOY SPECTRUM, LLC 242   2022-02-26   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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