Local Calling Guide

Area code/prefix search

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
667-397 7 Solomons MD 624H ONVOY SPECTRUM, LLC 238   2022-02-03   
667-397 8 Solomons MD 624H ONVOY SPECTRUM, LLC 238   2022-02-03   
667-399 4 Union Bridge MD 624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-399 5 Union Bridge MD 624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-399 7 Union Bridge MD 624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-403 3 Towson MD 624H ONVOY SPECTRUM, LLC 238   2021-11-18   
667-403 4 Towson MD 624H ONVOY SPECTRUM, LLC 238   2021-11-18   
667-403 5 Towson MD 624H ONVOY SPECTRUM, LLC 238   2021-11-18   
667-426 2 Taneytown MD 624H ONVOY SPECTRUM, LLC 238   2022-02-05   
667-426 3 Taneytown MD 624H ONVOY SPECTRUM, LLC 238   2022-02-05   
667-426 4 Taneytown MD 624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-427 4 West River MD 624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-427 7 West River MD 624H ONVOY SPECTRUM, LLC 238   2022-01-28   
667-427 8 West River MD 624H ONVOY SPECTRUM, LLC 238   2022-01-28   
667-464 6 Baltimore MD 624H ONVOY SPECTRUM, LLC 238   2022-04-04   
667-464 7 Baltimore MD 624H ONVOY SPECTRUM, LLC 238   2022-04-04   
667-470 0 Glen Burnie MD 624H ONVOY SPECTRUM, LLC 238   2024-05-22   
667-470 1 Glen Burnie MD 624H ONVOY SPECTRUM, LLC 238   2024-05-22   
667-476 0 Glenwood MD 624H ONVOY SPECTRUM, LLC 238   2022-02-04   
667-476 1 Glenwood MD 624H ONVOY SPECTRUM, LLC 238   2022-02-04   
667-476 4 Glenwood MD 624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-477 2 Hampstead MD 624H ONVOY SPECTRUM, LLC 238   2022-01-28   
667-477 3 Hampstead MD 624H ONVOY SPECTRUM, LLC 238   2022-01-28   
667-477 4 Hampstead MD 624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-567 9 Havre de Grace MD 624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-576 5 Jarrettsville MD 624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-576 7 Jarrettsville MD 624H ONVOY SPECTRUM, LLC 238   2022-02-03   
667-576 8 Jarrettsville MD 624H ONVOY SPECTRUM, LLC 238   2022-02-03   
667-644 A Severna Park MD 624H ONVOY SPECTRUM, LLC 238      
667-644 4 Severna Park MD 624H ONVOY SPECTRUM, LLC 238   2022-01-28   
667-644 5 Severna Park MD 624H ONVOY SPECTRUM, LLC 238   2022-01-28   
667-644 6 Severna Park MD 624H ONVOY SPECTRUM, LLC 238   2021-06-27   
667-646 3 Annapolis MD 624H ONVOY SPECTRUM, LLC 238   2021-05-22   
667-647 A North East MD 624H ONVOY SPECTRUM, LLC 238      
667-647 4 North East MD 624H ONVOY SPECTRUM, LLC 238   2022-02-04   
667-647 6 North East MD 624H ONVOY SPECTRUM, LLC 238   2021-06-26   
667-647 7 North East MD 624H ONVOY SPECTRUM, LLC 238   2022-02-04   
667-656 A Edgewood MD 624H ONVOY SPECTRUM, LLC 238      
667-656 6 Edgewood MD 624H ONVOY SPECTRUM, LLC 238   2021-07-26   
667-656 7 Edgewood MD 624H ONVOY SPECTRUM, LLC 238   2022-01-27   
667-657 4 Chase MD 624H ONVOY SPECTRUM, LLC 238   2021-11-26   
667-657 5 Chase MD 624H ONVOY SPECTRUM, LLC 238   2021-11-26   
667-657 7 Chase MD 624H ONVOY SPECTRUM, LLC 238   2021-09-10   
667-668 A Fallston MD 624H ONVOY SPECTRUM, LLC 238      
667-668 4 Fallston MD 624H ONVOY SPECTRUM, LLC 238   2022-02-11   
667-668 5 Fallston MD 624H ONVOY SPECTRUM, LLC 238   2022-02-11   
667-668 6 Fallston MD 624H ONVOY SPECTRUM, LLC 238   2021-06-26   
667-755 6 Pikesville MD 624H ONVOY SPECTRUM, LLC 238   2022-02-07   
667-755 7 Pikesville MD 624H ONVOY SPECTRUM, LLC 238   2022-02-07   
667-758 0 Silver Run MD 624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-758 1 Silver Run MD 624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-758 4 Silver Run MD 624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-772 A Sparks-Glencoe MD 624H ONVOY SPECTRUM, LLC 238      
667-772 4 Sparks-Glencoe MD 624H ONVOY SPECTRUM, LLC 238   2022-03-10   
667-772 5 Sparks-Glencoe MD 624H ONVOY SPECTRUM, LLC 238   2022-03-10   
667-772 7 Sparks-Glencoe MD 624H ONVOY SPECTRUM, LLC 238   2021-06-27   
667-778 A Sparrows Point MD 624H ONVOY SPECTRUM, LLC 238      
667-778 6 Sparrows Point MD 624H ONVOY SPECTRUM, LLC 238   2022-02-03   
667-778 7 Sparrows Point MD 624H ONVOY SPECTRUM, LLC 238   2021-06-27   
667-778 8 Sparrows Point MD 624H ONVOY SPECTRUM, LLC 238   2022-02-03   
667-788 6 Westminster MD 624H ONVOY SPECTRUM, LLC 238   2022-01-15   
667-788 7 Westminster MD 624H ONVOY SPECTRUM, LLC 238   2022-01-15   
667-842 4 Woodlawn MD 624H ONVOY SPECTRUM, LLC 238   2022-01-28   
667-842 6 Woodlawn MD 624H ONVOY SPECTRUM, LLC 238   2022-01-28   
667-842 8 Woodlawn MD 624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-848 1 Aberdeen MD 624H ONVOY SPECTRUM, LLC 236   2021-11-26   
667-848 9 Aberdeen MD 624H ONVOY SPECTRUM, LLC 236   2021-11-26   
667-887 1 Worthington MD 624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-887 2 Worthington MD 624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-887 7 Worthington MD 624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-895 2 Baltimore MD 624H ONVOY SPECTRUM, LLC 238   2021-11-12   
667-962 4 North Beach MD 624H ONVOY SPECTRUM, LLC 238   2022-01-29   
667-962 5 North Beach MD 624H ONVOY SPECTRUM, LLC 238   2022-01-29   
667-962 7 North Beach MD 624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-966 3 New Windsor MD 624H ONVOY SPECTRUM, LLC 238   2022-02-05   
667-966 4 New Windsor MD 624H ONVOY SPECTRUM, LLC 238   2022-02-05   
667-966 9 New Windsor MD 624H ONVOY SPECTRUM, LLC 238   2021-05-23   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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