Local Calling Guide

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Search area code/prefix (NPA/NXX)
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Kitzmiller, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-655 A CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-655 0   073H TELNYX LLC 240   2018-05-01   
240-655 1   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-655 2   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-655 3   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-655 4   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-07-31   
240-655 5   876D ONVOY, LLC - MD 240   2018-02-16   
240-655 6   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-07-31   
240-655 7   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2019-09-15   
240-655 8   876D ONVOY, LLC - MD 240   2020-01-06   
240-655 9   876D ONVOY, LLC - MD 240   2020-01-06   
240-834 A CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-834 0   624H ONVOY SPECTRUM, LLC 240   2022-02-26   
240-834 1   516J TON80 COMMUNICATIONS, LLC 240   2021-11-10   
240-834 2   876D ONVOY, LLC - MD 240   2021-05-14   
240-834 3   624H ONVOY SPECTRUM, LLC 240   2021-05-24   
240-834 4   876D ONVOY, LLC - MD 240   2021-05-21   
240-834 5   876D ONVOY, LLC - MD 240   2021-05-21   
240-834 6   876D ONVOY, LLC - MD 240   2021-05-21   
240-834 7   876D ONVOY, LLC - MD 240   2021-05-21   
240-834 8   876D ONVOY, LLC - MD 240   2021-05-15   
240-834 9   876D ONVOY, LLC - MD 240   2021-05-15   
301-453 A KTZMMDKMRS0  9212 VERIZON MARYLAND, INC. 240      
301-453 0   2593 CORE COMMUNICATIONS, INC.- MD 240   2004-03-28   
301-453 1   836G SHENTEL COMMUNICATIONS, LLC. - MD 240   2012-07-14   
301-453 2   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-10-01   
301-453 3   9212 VERIZON MARYLAND, INC. 240      
301-453 4   876D ONVOY, LLC - MD 240   2016-09-12   
301-453 5   071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-07-12   
301-453 6   071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-08-10   
301-453 7   071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-11-07   
301-453 8   876D ONVOY, LLC - MD 240   2016-09-12   
301-453 9   508J CENTURYLINK COMMUNICATIONS, LLC 240   2016-11-12   
301-726 A FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
301-726 3   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2023-03-31   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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