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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-799MDVERIZON MARYLAND, INC. (Verizon Communications)9212WATERLO238EKRGMDELDS000/00/0000Prefix Type: RBOC
Switch Name: ELKRIDGE
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-904MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WATERLO238BLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-904
410-904-0MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-904-1MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-904-2MDVDL, INC. DBA GLOBAL TELECOM BROKERS - MD4492WATERLO238NOCLLIKNOWN01/21/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-904-3MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238NOCLLIKNOWN03/04/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-904-4MDTWILIO INTERNATIONAL, INC.506JWATERLO238NOCLLIKNOWN12/01/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-904-5MDCOMCAST IP PHONE, LLC (Comcast)318JWATERLO238NOCLLIKNOWN03/06/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-904-6MDONVOY, LLC - MD (Sinch)876DWATERLO238NOCLLIKNOWN04/21/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-904-7MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WATERLO238BLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-904-8MDTERRA NOVA TELECOM INC.145JWATERLO238NOCLLIKNOWN01/09/2024Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-904-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WATERLO238BLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-284MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238BLTMMDSNDS500/00/0000Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-284
443-284-2MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238BLTMMDSNDS504/15/2019Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-284-3MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238BLTMMDSNDS505/23/2018Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-284-5MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238BLTMMDSNDS505/23/2018Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-284-6MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238BLTMMDSNDS504/15/2019Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-284-7MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238BLTMMDSNDS510/11/2018Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-296MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (Lumen Technologies, Inc)6050WATERLO238BLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-296
443-296-0MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (Lumen Technologies, Inc)6050WATERLO238BLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-296-1MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (Lumen Technologies, Inc)6050WATERLO238BLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-296-2MDBANDWIDTH.COM CLEC, LLC - MD071FWATERLO238NOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-296-3MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WATERLO238NOCLLIKNOWN12/05/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-296-4MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (Lumen Technologies, Inc)6050WATERLO238BLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-296-5MDONVOY, LLC - MD (Sinch)876DWATERLO238NOCLLIKNOWN09/13/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-296-6MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WATERLO238BLTMMDSN5MD06/12/2009Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-296-7MDCOMCAST IP PHONE, LLC (Comcast)318JWATERLO238NOCLLIKNOWN02/11/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-296-8MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WATERLO238BLTMMDSN5MD07/19/2005Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-296-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WATERLO238BLTMMDSN5MD07/19/2005Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WATERLO238CLMAMDNIDS100/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-620
443-620-0MDBANDWIDTH.COM CLEC, LLC - MD071FWATERLO238NOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-1MDONVOY, LLC - MD (Sinch)876DWATERLO238NOCLLIKNOWN03/31/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WATERLO238BLTOMDKHDS005/26/2020Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-3MDBANDWIDTH.COM CLEC, LLC - MD071FWATERLO238NOCLLIKNOWN12/14/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-4MDBANDWIDTH.COM CLEC, LLC - MD071FWATERLO238NOCLLIKNOWN03/07/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-5MDCOMCAST IP PHONE, LLC (Comcast)318JWATERLO238NOCLLIKNOWN12/19/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WATERLO238NOCLLIKNOWN11/07/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-7MDCENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)508JWATERLO238BLTMMDDN2MD03/06/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-8MDBANDWIDTH.COM CLEC, LLC - MD071FWATERLO238NOCLLIKNOWN02/17/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WATERLO238CLMAMDNIDS1N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-661MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WATERLO238HNVAMDBHAMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-661
443-661-0MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WATERLO238HNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-661-1MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WATERLO238HNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-661-2MDIP HORIZON LLC515JWATERLO238NOCLLIKNOWN06/13/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-661-3MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WATERLO238HNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-661-4MDCOMCAST IP PHONE, LLC (Comcast)318JWATERLO238NOCLLIKNOWN09/24/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-661-5MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WATERLO238HNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-661-7MDHD CARRIER LLC321JWATERLO238NOCLLIKNOWN04/08/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-661-8MDONVOY, LLC - MD (Sinch)876DWATERLO238NOCLLIKNOWN03/31/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-661-9MDONVOY, LLC - MD (Sinch)876DWATERLO238NOCLLIKNOWN08/30/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WATERLO238CLMAMDNIDS100/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-733
443-733-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WATERLO238BLTMMDSN5MD01/21/2003Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-1MDUS LEC OF MARYLAND, INC.2589WATERLO238CLMAMDJTDS002/07/2003Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-2MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697WATERLO238NOCLLIKNOWN03/05/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WATERLO238BLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-4MDONVOY, LLC - MD (Sinch)876DWATERLO238NOCLLIKNOWN03/29/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-5MDBROADVIEW NETWORKS, INC. - MD (Windstream Holdings)9170WATERLO238NOCLLIKNOWN09/12/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-6MDONVOY, LLC - MD (Sinch)876DWATERLO238NOCLLIKNOWN03/29/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-7MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-8MDIP HORIZON LLC515JWATERLO238NOCLLIKNOWN05/03/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WATERLO238CLMAMDNIDS1N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-737MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WATERLO238BLTMMDCHW2900/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-737
443-737-0MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WATERLO238BLTMMDCHW29N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-737-1MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WATERLO238BLTMMDCHW29N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-737-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WATERLO238NOCLLIKNOWN06/22/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-737-3MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-737-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WATERLO238NOCLLIKNOWN01/16/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-737-5MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-737-6MDONVOY, LLC - MD (Sinch)876DWATERLO238NOCLLIKNOWN02/22/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-737-7MDONVOY, LLC - MD (Sinch)876DWATERLO238NOCLLIKNOWN02/22/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-737-8MDIP HORIZON LLC515JWATERLO238NOCLLIKNOWN02/19/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-737-9MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WATERLO238BLTMMDCHW29N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-755MDVERIZON MARYLAND, INC. (Verizon Communications)9212WATERLO238EKRGMDELDS000/00/0000Prefix Type: RBOC
Switch Name: ELKRIDGE
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-755
443-755-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WATERLO238EKRGMDELDS0N/APrefix Type: RBOC
Switch Name: ELKRIDGE
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-755-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WATERLO238EKRGMDELDS0N/APrefix Type: RBOC
Switch Name: ELKRIDGE
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-755-2MDHD CARRIER LLC321JWATERLO238NOCLLIKNOWN04/20/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-755-3MDWIDE VOICE, LLC - MD530HWATERLO238NOCLLIKNOWN04/20/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-755-4MDHD CARRIER LLC321JWATERLO238NOCLLIKNOWN04/20/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-755-5MDCOMCAST IP PHONE, LLC (Comcast)318JWATERLO238NOCLLIKNOWN07/31/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-755-6MDHD CARRIER LLC321JWATERLO238NOCLLIKNOWN04/20/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-755-7MDHD CARRIER LLC321JWATERLO238NOCLLIKNOWN04/20/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-755-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WATERLO238EKRGMDELDS0N/APrefix Type: RBOC
Switch Name: ELKRIDGE
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-755-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WATERLO238EKRGMDELDS0N/APrefix Type: RBOC
Switch Name: ELKRIDGE
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-899MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WATERLO238BLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-899
443-899-0MDONVOY SPECTRUM, LLC (Sinch)624HWATERLO238NOCLLIKNOWN10/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-899-1MDONVOY, LLC - MD (Sinch)876DWATERLO238NOCLLIKNOWN04/21/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-899-2MDONVOY SPECTRUM, LLC (Sinch)624HWATERLO238NOCLLIKNOWN05/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-899-3MDONVOY, LLC - MD (Sinch)876DWATERLO238NOCLLIKNOWN06/16/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-899-4MDTELNYX LLC073HWATERLO238NOCLLIKNOWN04/14/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-899-5MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-899-6MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-899-7MDPEERLESS NETWORK OF MARYLAND, LLC568GWATERLO238NOCLLIKNOWN04/05/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-899-8MDPEERLESS NETWORK OF MARYLAND, LLC568GWATERLO238NOCLLIKNOWN04/05/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-899-9MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119WATERLO238BLTMMDSN6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-374MDBANDWIDTH.COM CLEC, LLC - MD071FWATERLO238BLTMMDCH45Z12/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-374
667-374-0MDBANDWIDTH.COM CLEC, LLC - MD071FWATERLO238BLTMMDCH45Z12/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-374-1MDBANDWIDTH.COM CLEC, LLC - MD071FWATERLO238BLTMMDCH45Z02/10/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-374-2MDBANDWIDTH.COM CLEC, LLC - MD071FWATERLO238BLTMMDCH45Z03/22/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-374-6MDTON80 COMMUNICATIONS, LLC516JWATERLO238NOCLLIKNOWN02/25/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-374-7MDONVOY, LLC - MD (Sinch)876DWATERLO238NOCLLIKNOWN08/30/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-374-8MDONVOY SPECTRUM, LLC (Sinch)624HWATERLO238NOCLLIKNOWN01/12/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-374-9MDONVOY SPECTRUM, LLC (Sinch)624HWATERLO238NOCLLIKNOWN01/12/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info