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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-259MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-386MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTMINSTRWMNSMDWMDS000/00/0000Prefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-596MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-751MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTMINSTRWMNSMDWMDS000/00/0000Prefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-848MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTMINSTRWMNSMDWMDS000/00/0000Prefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-857MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTMINSTRWMNSMDWMDS000/00/0000Prefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-861MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTMINSTRRSTWMDRSDS000/00/0000Prefix Type: RBOC
Switch Name: REISTERSTOWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-861
410-861-0MDBANDWIDTH.COM CLEC, LLC - MD071FWESTMINSTRNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-861-1MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697WESTMINSTRNOCLLIKNOWN01/10/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-861-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WESTMINSTRBLTOMDKHDS001/16/2007Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-861-3MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z07/07/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-861-4MDATX TELECOMMUNICATIONS SERVICES, LTD.1958WESTMINSTRNOCLLIKNOWN04/14/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-861-5MDCOMCAST IP PHONE, LLC318JWESTMINSTRNOCLLIKNOWN01/06/2009Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-861-6MDCOMCAST IP PHONE, LLC318JWESTMINSTRNOCLLIKNOWN01/09/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-861-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT004/17/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-861-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTMINSTRRSTWMDRSDS0N/APrefix Type: RBOC
Switch Name: REISTERSTOWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-861-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTMINSTRRSTWMDRSDS0N/APrefix Type: RBOC
Switch Name: REISTERSTOWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-871MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTMINSTRWMNSMDWMDS000/00/0000Prefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-871
410-871-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTMINSTRWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-871-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTMINSTRWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-871-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTMINSTRWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-871-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTMINSTRWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-871-4MDQUANTUM TELECOMMUNICATIONS, INC. - MD2596WESTMINSTRNOCLLIKNOWN10/20/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-871-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT010/07/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-871-6MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WESTMINSTRBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-871-7MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WESTMINSTRBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-871-8MDBANDWIDTH.COM CLEC, LLC - MD071FWESTMINSTRNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-871-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WESTMINSTRWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-201MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-201
443-201-0MDIP HORIZON LLC515JWESTMINSTRNOCLLIKNOWN08/12/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-201-1MDBANDWIDTH.COM CLEC, LLC - MD071FWESTMINSTRNOCLLIKNOWN05/06/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-201-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WESTMINSTRNOCLLIKNOWN02/03/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-201-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT009/03/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-201-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT008/03/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-201-5MDCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JWESTMINSTRBLTMMDDN2MD03/06/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-201-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT008/07/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-201-7MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN09/13/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-201-8MDCOMCAST IP PHONE, LLC318JWESTMINSTRNOCLLIKNOWN11/01/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-201-9MDCOMCAST IP PHONE, LLC318JWESTMINSTRNOCLLIKNOWN08/18/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-241MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRBLTMMDCH42Z00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-244MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WESTMINSTRBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-244
443-244-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT002/04/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-244-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD07/08/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-244-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD02/03/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-244-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD09/07/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-244-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WESTMINSTRBLTMMDSN6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-244-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT010/12/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-244-6MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN02/11/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-244-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD11/03/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-244-8MDVDL, INC. DBA GLOBAL TELECOM BROKERS - MD4492WESTMINSTRNOCLLIKNOWN10/17/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-244-9MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WESTMINSTRBLTMMDSN6MD02/02/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-289MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WESTMINSTRBLTOMDKHDS005/16/2011Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-289
443-289-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD09/02/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-289-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD09/02/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-289-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WESTMINSTRBLTOMDKHDS005/17/2011Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-289-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WESTMINSTRBLTOMDKHDS005/17/2011Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-289-4MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z09/28/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-289-5MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z09/28/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-289-6MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z09/28/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-289-7MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z09/28/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-289-8MDCOMCAST IP PHONE, LLC318JWESTMINSTRNOCLLIKNOWN10/26/2012Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-289-9MDCOMCAST IP PHONE, LLC318JWESTMINSTRNOCLLIKNOWN02/07/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-293MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WESTMINSTRBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-293
443-293-0MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WESTMINSTRBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-293-1MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WESTMINSTRBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-293-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT001/10/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-293-3MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WESTMINSTRBLTMMDCHW2907/03/2006Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-293-4MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WESTMINSTRBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-293-5MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN08/24/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-293-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD09/02/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-293-7MDCOMCAST IP PHONE, LLC318JWESTMINSTRNOCLLIKNOWN02/11/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-293-8MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WESTMINSTRBLTMMDSN5MD05/02/2007Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-293-9MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD12/28/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-340MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-368MDCORE COMMUNICATIONS, INC.- MD2593WESTMINSTRBLTMMD91DS000/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WESTMINSTRBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-487
443-487-0MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN09/16/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD02/05/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD03/05/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD01/05/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WESTMINSTRBLTMMDSN6MD04/07/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-5MDUS LEC OF MARYLAND, INC.2589WESTMINSTRCLMAMDJTDS010/29/2002Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-6MDBANDWIDTH.COM CLEC, LLC - MD071FWESTMINSTRNOCLLIKNOWN08/04/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD09/05/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-8MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WESTMINSTRBLTMMDCDDS011/04/2002Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-9MDCOMCAST IP PHONE, LLC318JWESTMINSTRNOCLLIKNOWN09/14/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-536MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z00/00/0000Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-536
443-536-0MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WESTMINSTRNOCLLIKNOWN11/26/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-536-1MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-536-2MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z01/04/2005Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-536-3MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-536-4MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z08/10/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-536-5MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-536-6MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-536-7MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z08/10/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-536-8MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z05/22/2006Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-536-9MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-547MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD05/07/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-547
443-547-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD05/11/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-547-1MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z08/28/2009Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-547-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD09/03/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-547-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD01/07/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-547-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD04/05/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-547-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD06/03/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-547-6MDBANDWIDTH.COM CLEC, LLC - MD071FWESTMINSTRNOCLLIKNOWN01/31/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-547-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD03/04/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-547-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD04/04/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-547-9MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z07/07/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-605MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WESTMINSTRHNVAMDBHAMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-605
443-605-0MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WESTMINSTRHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-605-1MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WESTMINSTRHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-605-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD06/02/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-605-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD01/05/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-605-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD03/06/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-605-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD04/07/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-605-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD04/07/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-605-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD07/06/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-605-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT011/24/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-605-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT011/24/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-789MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-789
443-789-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-789-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-789-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-789-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT002/06/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-789-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-789-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WESTMINSTRBLTMMDCDDS009/25/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-789-6MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z12/19/2006Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-789-7MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z12/19/2006Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-789-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT008/30/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-789-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT008/30/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-821MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z07/13/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-821
443-821-0MDBANDWIDTH.COM CLEC, LLC - MD071FWESTMINSTRNOCLLIKNOWN09/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-821-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT009/29/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-821-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT010/15/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-821-3MDCOMCAST IP PHONE, LLC318JWESTMINSTRNOCLLIKNOWN11/10/2010Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-821-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD01/04/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-821-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD01/04/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-821-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD09/02/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-821-7MDBANDWIDTH.COM CLEC, LLC - MD071FWESTMINSTRNOCLLIKNOWN05/04/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-821-8MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z07/14/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-821-9MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z07/14/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-952MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD09/07/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-952
443-952-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD09/09/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-952-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD05/18/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-952-2MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN02/11/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-952-3MDBANDWIDTH.COM CLEC, LLC - MD071FWESTMINSTRNOCLLIKNOWN05/01/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-952-4MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN09/22/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-952-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WESTMINSTRBLTOMDKHDS008/13/2013Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-952-6MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN08/07/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-952-7MDCOMCAST IP PHONE, LLC318JWESTMINSTRNOCLLIKNOWN11/23/2011Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-952-8MDPEERLESS NETWORK OF MARYLAND, LLC568GWESTMINSTRNOCLLIKNOWN04/05/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-952-9MDPEERLESS NETWORK OF MARYLAND, LLC568GWESTMINSTRNOCLLIKNOWN04/05/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-974MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WESTMINSTRBLTMMDFMDS000/00/0000Prefix 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 443-974
443-974-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD02/06/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-974-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD05/02/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-974-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD06/02/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-974-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD06/02/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-974-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD09/03/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-974-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT008/29/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-974-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD10/04/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-974-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD12/05/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-974-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD01/04/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-974-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WESTMINSTRBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-272MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT009/18/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-272
667-272-0MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN08/24/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-272-1MDONVOY SPECTRUM, LLC (Inteliquent)624HWESTMINSTRNOCLLIKNOWN04/24/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-272-2MDTWILIO INTERNATIONAL, INC.506JWESTMINSTRNOCLLIKNOWN12/01/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-272-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT005/26/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-272-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT009/18/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-272-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT009/18/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-272-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT009/18/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-272-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT009/18/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-272-8MDTON80 COMMUNICATIONS, LLC516JWESTMINSTRNOCLLIKNOWN06/17/2021Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-272-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT009/18/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-314MDBARR TELL USA, INC.964HWESTMINSTRBLTQMD012MD00/00/0000Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-314
667-314-0MDBANDWIDTH.COM CLEC, LLC - MD071FWESTMINSTRNOCLLIKNOWN06/17/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-314-1MDBARR TELL USA, INC.964HWESTMINSTRBLTQMD012MD11/18/2016Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-314-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT009/15/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-314-3MDCOMCAST IP PHONE, LLC318JWESTMINSTRNOCLLIKNOWN09/28/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-314-4MDTELNYX LLC073HWESTMINSTRNOCLLIKNOWN03/02/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-314-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD09/06/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-314-6MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN06/16/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-314-7MDTERRA NOVA TELECOM INC.145JWESTMINSTRNOCLLIKNOWN01/09/2024Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-314-8MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN03/21/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-314-9MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN03/21/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-367MDBALTIMORE-WASHINGTON TELEPHONE (BWT)8697WESTMINSTRBLTMMDCH25Z05/21/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-367
667-367-0MDIP HORIZON LLC515JWESTMINSTRNOCLLIKNOWN05/03/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-367-1MDBANDWIDTH.COM CLEC, LLC - MD071FWESTMINSTRNOCLLIKNOWN08/09/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-367-2MDCOMCAST IP PHONE, LLC318JWESTMINSTRNOCLLIKNOWN05/26/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-367-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT010/14/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-367-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT006/23/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-367-5MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN12/23/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-367-6MDMETROPCS, INC. (T-Mobile US, Inc)5562WESTMINSTRBLTMMDCH40Z10/03/2016Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-367-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD04/06/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-367-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT003/26/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-367-9MDBALTIMORE-WASHINGTON TELEPHONE (BWT)8697WESTMINSTRBLTMMDCH25Z05/27/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-788MDQUANTUM TELECOMMUNICATIONS, INC. - MD2596WESTMINSTRBLTMMD91DS210/22/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-788
667-788-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT011/19/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-788-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT011/19/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-788-2MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN11/20/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-788-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT005/26/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-788-4MDDISH WIRELESS, LLC490JWESTMINSTRNOCLLIKNOWN08/10/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-788-6MDONVOY SPECTRUM, LLC (Inteliquent)624HWESTMINSTRNOCLLIKNOWN12/16/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-788-7MDONVOY SPECTRUM, LLC (Inteliquent)624HWESTMINSTRNOCLLIKNOWN12/16/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-788-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036WESTMINSTRCLMAMDORGT004/12/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-788-9MDQUANTUM TELECOMMUNICATIONS, INC. - MD2596WESTMINSTRBLTMMD91DS210/22/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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