Local Calling Guide

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Clear Spring, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-301 A CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-301 0   876D ONVOY, LLC - MD 240   2021-04-29   
240-301 1   876D ONVOY, LLC - MD 240   2020-08-08   
240-301 2   876D ONVOY, LLC - MD 240   2020-08-08   
240-301 3   876D ONVOY, LLC - MD 240   2020-10-17   
240-301 4   876D ONVOY, LLC - MD 240   2020-10-17   
240-301 5   876D ONVOY, LLC - MD 240   2021-03-04   
240-301 7   876D ONVOY, LLC - MD 240   2021-05-21   
240-301 8   876D ONVOY, LLC - MD 240   2021-04-29   
240-301 9   071F BANDWIDTH.COM CLEC, LLC - MD 240   2020-12-04   
240-647 A HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-647 0   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-08-02   
240-647 1   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-08-02   
240-647 2   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-08-02   
240-647 3   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2019-06-21   
240-647 4   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-03-28   
240-647 5   876D ONVOY, LLC - MD 240   2020-01-05   
240-647 6   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-07-31   
240-647 7   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-03-28   
240-647 8   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-07-31   
240-647 9   876D ONVOY, LLC - MD 240   2020-01-05   
240-835 A FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240      
240-835 0   071F BANDWIDTH.COM CLEC, LLC - MD 240   2021-08-05   
240-835 1   073H TELNYX LLC 240   2021-08-05   
240-835 2   876D ONVOY, LLC - MD 240   2021-08-05   
240-835 3   876D ONVOY, LLC - MD 240   2021-08-05   
240-835 4   876D ONVOY, LLC - MD 240   2021-09-20   
240-835 5   071F BANDWIDTH.COM CLEC, LLC - MD 240   2021-11-29   
240-835 6   516J TON80 COMMUNICATIONS, LLC 240   2021-10-15   
240-835 7   624H ONVOY SPECTRUM, LLC 240   2022-01-20   
240-835 8   624H ONVOY SPECTRUM, LLC 240   2021-08-04   
240-835 9   624H ONVOY SPECTRUM, LLC 240   2022-01-20   
301-842 A CLSPMDCSRS0  9212 VERIZON MARYLAND, INC. 240      
301-842 0   9212 VERIZON MARYLAND, INC. 240      
301-842 1   9212 VERIZON MARYLAND, INC. 240      
301-842 2   9212 VERIZON MARYLAND, INC. 240      
301-842 3   9212 VERIZON MARYLAND, INC. 240      
301-842 4   071F BANDWIDTH.COM CLEC, LLC - MD 240   2008-12-04   
301-842 5   318J COMCAST IP PHONE, LLC 240   2009-12-31   
301-842 6   071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-03-25   
301-842 7   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-01-02   
301-842 8   071F BANDWIDTH.COM CLEC, LLC - MD 240   2012-06-01   
301-842 9   073H TELNYX LLC 240   2017-08-08   
301-857 A HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
301-857 0   2593 CORE COMMUNICATIONS, INC.- MD 240   2002-09-10   
301-857 1   071F BANDWIDTH.COM CLEC, LLC - MD 240   2012-10-06   
301-857 2   071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-10-20   
301-857 3   071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-10-29   
301-857 4   876D ONVOY, LLC - MD 240   2016-09-12   
301-857 5   876D ONVOY, LLC - MD 240   2016-09-12   
301-857 6   508J CENTURYLINK COMMUNICATIONS, LLC 240   2016-10-26   
301-857 7   071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-05-17   
301-857 8   071F BANDWIDTH.COM CLEC, LLC - MD 240   2006-08-22   
301-857 9   071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-05-17   

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

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