Local Calling Guide

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North Beach, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
667-373 4   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-06-26   
667-373 5   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-06-26   
667-373 6   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-373 7   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-373 8   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-06-26   
667-373 9   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-06-26   
667-962 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-962 0   876D ONVOY, LLC - MD 238   2023-08-10   
667-962 1   876D ONVOY, LLC - MD 238   2023-08-10   
667-962 2   876D ONVOY, LLC - MD 238   2021-05-23   
667-962 3   876D ONVOY, LLC - MD 238   2021-05-23   
667-962 4   624H ONVOY SPECTRUM, LLC 238   2022-01-29   
667-962 5   624H ONVOY SPECTRUM, LLC 238   2022-01-29   
667-962 6   876D ONVOY, LLC - MD 238   2021-05-22   
667-962 7   624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-962 8   876D ONVOY, LLC - MD 238   2021-05-23   
667-962 9   876D ONVOY, LLC - MD 238   2021-05-23   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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