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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-635MDVERIZON MARYLAND, INC. (Verizon Communications)9212NEWWINDSORNWWNMDNWRS000/00/0000Prefix Type: RBOC
Switch Name: NEW WINDSOR
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-635
410-635-0MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORNOCLLIKNOWN07/19/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-635-1MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-635-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212NEWWINDSORNWWNMDNWRS0N/APrefix Type: RBOC
Switch Name: NEW WINDSOR
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-635-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212NEWWINDSORNWWNMDNWRS0N/APrefix Type: RBOC
Switch Name: NEW WINDSOR
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-635-4MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-635-5MDUS LEC OF MARYLAND, INC.2589NEWWINDSORCLMAMDJTDS001/15/2004Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-635-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212NEWWINDSORNWWNMDNWRS0N/APrefix Type: RBOC
Switch Name: NEW WINDSOR
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-635-7MDBROADVIEW NETWORKS, INC. - MD (Windstream Holdings)9170NEWWINDSORNOCLLIKNOWN01/05/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-635-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212NEWWINDSORNWWNMDNWRS0N/APrefix Type: RBOC
Switch Name: NEW WINDSOR
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-635-9MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORNOCLLIKNOWN07/19/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-647MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697NEWWINDSORBLTMMDCH14Z00/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-647
443-647-0MDTERRA NOVA TELECOM INC.145JNEWWINDSORNOCLLIKNOWN01/08/2024Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-647-1MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697NEWWINDSORBLTMMDCH14ZN/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-647-2MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORNOCLLIKNOWN03/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-647-3MDONVOY, LLC - MD (Inteliquent)876DNEWWINDSORNOCLLIKNOWN03/14/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-647-4MDONVOY, LLC - MD (Inteliquent)876DNEWWINDSORNOCLLIKNOWN03/14/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-647-5MDTELNYX LLC073HNEWWINDSORNOCLLIKNOWN04/14/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-647-6MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-647-7MDCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JNEWWINDSORBLTMMDDN2MD05/14/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-647-8MDONVOY, LLC - MD (Inteliquent)876DNEWWINDSORNOCLLIKNOWN02/18/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-647-9MDONVOY, LLC - MD (Inteliquent)876DNEWWINDSORNOCLLIKNOWN02/18/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-671MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325NEWWINDSORBLTMMDFMDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-671
443-671-0MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORNOCLLIKNOWN03/01/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-671-1MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119NEWWINDSORNOCLLIKNOWN02/08/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-671-2MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORNOCLLIKNOWN08/08/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-671-3MDTWILIO INTERNATIONAL, INC.506JNEWWINDSORNOCLLIKNOWN11/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-671-4MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORNOCLLIKNOWN07/05/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-671-5MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716NEWWINDSORBLTMMDCHW2903/28/2006Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-671-6MDCOMCAST IP PHONE, LLC318JNEWWINDSORNOCLLIKNOWN01/09/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-671-7MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORNOCLLIKNOWN10/19/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-671-8MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORNOCLLIKNOWN07/05/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-671-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325NEWWINDSORBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-892MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORBLTMMDCH45Z08/11/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-892
443-892-0MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORBLTMMDCH45Z08/15/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-892-1MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORBLTMMDCH45Z08/18/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-892-2MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORBLTMMDCH45Z08/18/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-892-3MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORBLTMMDCH45Z09/01/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-892-4MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORBLTMMDCH45Z09/01/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-892-5MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-892-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119NEWWINDSORNOCLLIKNOWN01/31/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-892-7MDONVOY, LLC - MD (Inteliquent)876DNEWWINDSORNOCLLIKNOWN09/11/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-892-8MDPEERLESS NETWORK OF MARYLAND, LLC568GNEWWINDSORNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-892-9MDPEERLESS NETWORK OF MARYLAND, LLC568GNEWWINDSORNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-332MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORBLTMMD91GT010/15/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-332
667-332-0MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-332-1MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-332-2MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORBLTMMD91GT004/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-332-3MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORBLTMMD91GT007/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-332-4MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORBLTMMD91GT004/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-332-5MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORBLTMMD91GT004/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-332-6MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORBLTMMD91GT004/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-332-7MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORBLTMMD91GT004/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-332-8MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORBLTMMD91GT010/17/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-332-9MDCORE COMMUNICATIONS, INC.- MD2593NEWWINDSORBLTMMD91GT007/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-394MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORBLTMMDCH45Z02/22/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-394
667-394-0MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORBLTMMDCH45Z02/22/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-394-2MDCOMCAST IP PHONE, LLC318JNEWWINDSORNOCLLIKNOWN02/17/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-394-6MDTON80 COMMUNICATIONS, LLC516JNEWWINDSORNOCLLIKNOWN03/08/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-966MDONVOY, LLC - MD (Inteliquent)876DNEWWINDSORPIVLMDPKX8X03/25/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-966
667-966-0MDONVOY, LLC - MD (Inteliquent)876DNEWWINDSORPIVLMDPKX8X03/31/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-966-1MDONVOY, LLC - MD (Inteliquent)876DNEWWINDSORPIVLMDPKX8X03/31/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-966-2MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORNOCLLIKNOWN11/05/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-966-3MDONVOY SPECTRUM, LLC (Inteliquent)624HNEWWINDSORNOCLLIKNOWN01/07/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-966-4MDONVOY SPECTRUM, LLC (Inteliquent)624HNEWWINDSORNOCLLIKNOWN01/07/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-966-5MDBANDWIDTH.COM CLEC, LLC - MD071FNEWWINDSORNOCLLIKNOWN01/26/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-966-6MDONVOY, LLC - MD (Inteliquent)876DNEWWINDSORPIVLMDPKX8X03/26/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-966-7MDONVOY, LLC - MD (Inteliquent)876DNEWWINDSORPIVLMDPKX8X04/21/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-966-8MDONVOY, LLC - MD (Inteliquent)876DNEWWINDSORPIVLMDPKX8X04/21/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-966-9MDONVOY SPECTRUM, LLC (Inteliquent)624HNEWWINDSORNOCLLIKNOWN04/23/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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