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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-204MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS000/00/0000Prefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-204
410-204-0MDBARR TELL USA, INC.964HARBUTUSNOCLLIKNOWN11/18/2016Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-204-1MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN04/21/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-204-2MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN02/23/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-204-3MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN09/19/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-204-4MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN04/21/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-204-5MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN03/16/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-204-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-204-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-204-8MDCOMCAST IP PHONE, LLC (Comcast)318JARBUTUSNOCLLIKNOWN10/30/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-204-9MDIP HORIZON LLC515JARBUTUSNOCLLIKNOWN12/07/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-242MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS000/00/0000Prefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-247MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS000/00/0000Prefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-314MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228ARBUTUSBLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-314
410-314-0MDCOMMIO, LLC939HARBUTUSNOCLLIKNOWN05/18/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-314-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228ARBUTUSBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-314-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228ARBUTUSBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-314-3MDCORE COMMUNICATIONS, INC.- MD2593ARBUTUSNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-314-4MDTELNYX LLC073HARBUTUSNOCLLIKNOWN03/02/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-314-5MDATX TELECOMMUNICATIONS SERVICES, LTD.1958ARBUTUSNOCLLIKNOWN02/27/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-314-6MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD07/02/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-314-7MDCORE COMMUNICATIONS, INC.- MD2593ARBUTUSNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-314-8MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD07/02/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-314-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228ARBUTUSBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-395MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS000/00/0000Prefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-395
410-395-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-395-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-395-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-395-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-395-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395ARBUTUSNOCLLIKNOWN12/28/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-395-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-395-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-395-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-395-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-395-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-501MDLIGHTWAVE COMMUNICATIONS, LLC - MD5966ARBUTUSPIVLMDPKFMD06/28/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-501
410-501-0MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD05/21/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-501-1MDLIGHTWAVE COMMUNICATIONS, LLC - MD5966ARBUTUSPIVLMDPKFMD07/08/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-501-2MDCORE COMMUNICATIONS, INC.- MD2593ARBUTUSNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-501-3MDCOMCAST IP PHONE, LLC (Comcast)318JARBUTUSNOCLLIKNOWN02/07/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-501-4MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD05/21/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-501-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ARBUTUSNOCLLIKNOWN11/25/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-501-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ARBUTUSNOCLLIKNOWN11/25/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-501-7MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD05/21/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-501-8MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD05/21/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-501-9MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD05/21/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-536MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS000/00/0000Prefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-536
410-536-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-536-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-536-2MDCORE COMMUNICATIONS, INC.- MD2593ARBUTUSARBTMDARDS003/13/2019Prefix Type: CLEC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-536-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395ARBUTUSARBTMDARDS001/03/2024Prefix Type: WIRELESS
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-536-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-536-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-536-6MDTERRA NOVA TELECOM INC.145JARBUTUSNOCLLIKNOWN01/09/2024Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-536-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-536-8MDTERRA NOVA TELECOM INC.145JARBUTUSARBTMDARDS012/30/2020Prefix Type: IPES
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-536-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-565MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)7591ARBUTUSBLTMMDDNDS200/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-565
410-565-0MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)7591ARBUTUSBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-565-1MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)7591ARBUTUSBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-565-2MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD07/02/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-565-3MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)7591ARBUTUSBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-565-4MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)7591ARBUTUSBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-565-5MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ARBUTUSNOCLLIKNOWN09/21/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-565-6MDCOMCAST IP PHONE, LLC (Comcast)318JARBUTUSNOCLLIKNOWN04/10/2009Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-565-7MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)7591ARBUTUSBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-565-8MDIP HORIZON LLC515JARBUTUSNOCLLIKNOWN02/23/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-565-9MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (Lumen Technologies, Inc)7591ARBUTUSBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-587MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSARBTMDARDS000/00/0000Prefix Type: CLEC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-587
410-587-0MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN02/08/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-587-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSARBTMDARDS0N/APrefix Type: CLEC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-587-2MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN02/08/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-587-3MDHD CARRIER LLC321JARBUTUSNOCLLIKNOWN04/20/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-587-4MDHD CARRIER LLC321JARBUTUSNOCLLIKNOWN04/20/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-587-5MDHD CARRIER LLC321JARBUTUSNOCLLIKNOWN04/20/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-587-6MDHD CARRIER LLC321JARBUTUSNOCLLIKNOWN04/20/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-587-7MDBALTIMORE-WASHINGTON TELEPHONE (BWT)8697ARBUTUSNOCLLIKNOWN05/04/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-587-8MDHD CARRIER LLC321JARBUTUSNOCLLIKNOWN04/20/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-587-9MDWIDE VOICE, LLC - MD530HARBUTUSNOCLLIKNOWN04/20/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-737MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS000/00/0000Prefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ARBUTUSBLTMMDFMDS000/00/0000Prefix 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 443-297
443-297-0MDCORE COMMUNICATIONS, INC.- MD2593ARBUTUSNOCLLIKNOWN03/01/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-1MDUS LEC OF MARYLAND, INC.2589ARBUTUSCLMAMDJTDS005/02/2012Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-2MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD07/02/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-3MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ARBUTUSBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-4MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD07/02/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-5MDVDL, INC. DBA GLOBAL TELECOM BROKERS - MD4492ARBUTUSNOCLLIKNOWN01/21/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-6MDCENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)508JARBUTUSBLTMMDDN2MD05/27/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-7MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN08/05/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-8MDCOMCAST IP PHONE, LLC (Comcast)318JARBUTUSNOCLLIKNOWN12/28/2001Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-297-9MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-304MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (Lumen Technologies, Inc)6050ARBUTUSBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-304
443-304-0MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (Lumen Technologies, Inc)6050ARBUTUSBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-304-1MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (Lumen Technologies, Inc)6050ARBUTUSBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-304-2MDCOMCAST IP PHONE, LLC (Comcast)318JARBUTUSNOCLLIKNOWN02/10/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-304-3MDXO MARYLAND, LLC (Verizon Communications)4773ARBUTUSBLTMMDSNDS509/15/2006Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-304-4MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (Lumen Technologies, Inc)6050ARBUTUSBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-304-5MDCOMMIO, LLC939HARBUTUSNOCLLIKNOWN05/18/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-304-6MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSBLTMMDSN5MD09/20/2006Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-304-7MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-304-8MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN09/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-304-9MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN01/31/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-443MDCOMMIO, LLC939HARBUTUSNOCLLIKNOWN11/21/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-443
443-443-0MDCOMMIO, LLC939HARBUTUSNOCLLIKNOWN11/21/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-443-1MDCOMMIO, LLC939HARBUTUSNOCLLIKNOWN11/21/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-443-2MDCOMMIO, LLC939HARBUTUSNOCLLIKNOWN11/21/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-443-3MDCOMMIO, LLC939HARBUTUSNOCLLIKNOWN11/21/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-443-4MDCOMMIO, LLC939HARBUTUSNOCLLIKNOWN11/21/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-443-5MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN02/08/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-443-6MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN03/20/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-443-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395ARBUTUSNOCLLIKNOWN05/16/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-543MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS000/00/0000Prefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-543
443-543-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-543-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-543-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-543-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-543-4MDCOMMIO, LLC939HARBUTUSNOCLLIKNOWN05/18/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-543-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARBUTUSARBTMDARDS0N/APrefix Type: RBOC
Switch Name: ARBUTUS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-543-6MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN06/07/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-543-7MDONVOY SPECTRUM, LLC (Sinch)624HARBUTUSNOCLLIKNOWN10/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-543-8MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN09/18/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-543-9MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN09/18/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-568MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSBLTMMDCDDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-568
443-568-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-568-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-568-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-568-3MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN09/12/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-568-4MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-568-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-568-6MDCOMMIO, LLC939HARBUTUSNOCLLIKNOWN05/18/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-568-7MDHD CARRIER LLC321JARBUTUSNOCLLIKNOWN04/07/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-568-8MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN08/09/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-568-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-575MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ARBUTUSHNVAMDBHAMD05/10/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-575
443-575-0MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ARBUTUSHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-575-1MDONVOY SPECTRUM, LLC (Sinch)624HARBUTUSNOCLLIKNOWN01/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-575-2MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ARBUTUSHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-575-3MDONVOY SPECTRUM, LLC (Sinch)624HARBUTUSNOCLLIKNOWN01/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-575-4MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716ARBUTUSBLTMMDCHW2910/12/2006Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-575-5MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ARBUTUSHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-575-6MDCOMCAST IP PHONE, LLC (Comcast)318JARBUTUSNOCLLIKNOWN03/30/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-575-7MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697ARBUTUSNOCLLIKNOWN12/08/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-575-8MDONVOY SPECTRUM, LLC (Sinch)624HARBUTUSNOCLLIKNOWN01/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-575-9MDONVOY SPECTRUM, LLC (Sinch)624HARBUTUSNOCLLIKNOWN04/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-701MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSBLTMMDSN5MD00/00/0000Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-701
443-701-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-701-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-701-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-701-3MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ARBUTUSNOCLLIKNOWN12/10/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-701-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ARBUTUSNOCLLIKNOWN08/05/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-701-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ARBUTUSNOCLLIKNOWN12/10/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-701-6MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229ARBUTUSBLTMMDSN5MD02/08/2023Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-701-8MDCOMMIO, LLC939HARBUTUSNOCLLIKNOWN05/18/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-701-9MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ARBUTUSNOCLLIKNOWN01/12/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-709MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ARBUTUSHNVAMDBHAMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-709
443-709-0MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ARBUTUSHNVAMDBHAMD10/24/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-709-1MDONVOY SPECTRUM, LLC (Sinch)624HARBUTUSNOCLLIKNOWN10/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-709-2MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ARBUTUSHNVAMDBHAMD10/24/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-709-3MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ARBUTUSHNVAMDBHAMD10/24/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-709-4MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ARBUTUSHNVAMDBHAMD10/24/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-709-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ARBUTUSNOCLLIKNOWN01/13/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-709-6MDONVOY SPECTRUM, LLC (Sinch)624HARBUTUSNOCLLIKNOWN04/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-709-7MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD05/21/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-709-8MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN08/09/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-709-9MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910ARBUTUSHNVAMDBHAMD10/24/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-785MDONVOY, LLC - MD (Sinch)876DARBUTUSBLTMMDCH42Z00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-833MDUS LEC OF MARYLAND, INC.2589ARBUTUSCLMAMDJTDS000/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-833
443-833-0MDBANDWIDTH.COM CLEC, LLC - MD071FARBUTUSNOCLLIKNOWN03/20/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-833-1MDUS LEC OF MARYLAND, INC.2589ARBUTUSCLMAMDJTDS010/31/2002Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-833-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395ARBUTUSNOCLLIKNOWN06/17/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-833-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228ARBUTUSBLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-833-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395ARBUTUSNOCLLIKNOWN11/07/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-833-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395ARBUTUSNOCLLIKNOWN08/17/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-833-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395ARBUTUSNOCLLIKNOWN05/05/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-833-7MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD05/21/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-833-8MDPEERLESS NETWORK OF MARYLAND, LLC568GARBUTUSNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-833-9MDPEERLESS NETWORK OF MARYLAND, LLC568GARBUTUSNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-386MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD12/14/2021Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-386
667-386-0MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD12/14/2021Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-386-1MDTELNYX LLC073HARBUTUSNOCLLIKNOWN02/24/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-386-2MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD01/04/2023Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-386-3MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD02/08/2023Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-386-4MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD02/08/2023Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-386-5MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD02/28/2023Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-386-6MDTON80 COMMUNICATIONS, LLC516JARBUTUSNOCLLIKNOWN02/28/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-386-7MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD02/28/2023Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-386-9MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD12/14/2021Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-431MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD04/13/2023Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-431
667-431-0MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD07/12/2023Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-431-1MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-431-2MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-431-3MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-431-4MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-431-5MDONVOY, LLC - MD (Sinch)876DARBUTUSNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-431-6MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD08/16/2023Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-431-8MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD04/13/2023Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-431-9MDMETROPCS, INC. (T-Mobile US, Inc)5562ARBUTUSBLTMMDCHFMD04/13/2023Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info