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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-222MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNGLBRMDGLDS000/00/0000Prefix Type: RBOC
Switch Name: GLEN BURNIE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-514MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS000/00/0000Prefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-514
410-514-0MDATX TELECOMMUNICATIONS SERVICES, LTD.1958SEVERNNOCLLIKNOWN02/03/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-514-1MDVDL, INC. DBA GLOBAL TELECOM BROKERS - MD4492SEVERNNOCLLIKNOWN01/21/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-514-2MDCORE COMMUNICATIONS, INC.- MD2593SEVERNNOCLLIKNOWN03/04/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-514-3MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN02/17/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-514-4MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697SEVERNNOCLLIKNOWN07/02/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-514-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SEVERNNOCLLIKNOWN09/26/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-514-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SEVERNNOCLLIKNOWN05/01/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-514-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS0N/APrefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-514-8MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SEVERNNOCLLIKNOWN04/11/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-514-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS0N/APrefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-519MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNODTNMDONDS000/00/0000Prefix Type: RBOC
Switch Name: ODENTON
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-551MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNODTNMDONDS000/00/0000Prefix Type: RBOC
Switch Name: ODENTON
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-729MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS000/00/0000Prefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-729
410-729-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS0N/APrefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-729-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS0N/APrefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-729-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS0N/APrefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-729-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS0N/APrefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-729-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS0N/APrefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-729-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS0N/APrefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-729-6MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN02/17/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-729-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS0N/APrefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-729-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS0N/APrefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-729-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS0N/APrefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-846MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228SEVERNBLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-846
410-846-0MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SEVERNNOCLLIKNOWN02/02/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-846-1MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SEVERNNOCLLIKNOWN06/07/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-846-2MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN07/16/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-846-3MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SEVERNNOCLLIKNOWN11/08/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-846-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SEVERNNOCLLIKNOWN07/29/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-846-5MDCOMCAST IP PHONE, LLC318JSEVERNNOCLLIKNOWN02/11/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-846-6MDPEERLESS NETWORK OF MARYLAND, LLC568GSEVERNNOCLLIKNOWN09/17/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-846-7MDPEERLESS NETWORK OF MARYLAND, LLC568GSEVERNNOCLLIKNOWN09/17/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-846-8MDPEERLESS NETWORK OF MARYLAND, LLC568GSEVERNNOCLLIKNOWN09/17/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-846-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228SEVERNBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-921MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (CenturyLink, Inc)7591SEVERNBLTMMDDNDS200/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-921
410-921-0MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-921-1MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN08/04/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-921-2MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN01/03/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-921-3MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN01/03/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-921-4MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (CenturyLink, Inc)7591SEVERNBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-921-5MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN07/01/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-921-6MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN09/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-921-7MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN07/22/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-921-8MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN08/07/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-921-9MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN01/31/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-969MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNGLBRMDGLDS000/00/0000Prefix Type: RBOC
Switch Name: GLEN BURNIE
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-987MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNDRCRMDDCDS000/00/0000Prefix Type: RBOC
Switch Name: SEVERN
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNODTNMDPORS200/00/0000Prefix Type: RBOC
Switch Name: ODENTON
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-274
443-274-0MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SEVERNNOCLLIKNOWN02/14/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-1MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716SEVERNBLTMMDCHW2909/29/2005Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-2MDCOMCAST IP PHONE, LLC318JSEVERNNOCLLIKNOWN09/10/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228SEVERNBLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-4MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN02/06/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-5MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN03/25/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-6MDLIGHTWAVE COMMUNICATIONS, LLC - MD5966SEVERNNOCLLIKNOWN06/08/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-7MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN03/25/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395SEVERNNOCLLIKNOWN04/06/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-274-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNODTNMDPORS2N/APrefix Type: RBOC
Switch Name: ODENTON
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-308MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229SEVERNBLTMMDCDDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-308
443-308-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229SEVERNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-308-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229SEVERNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-308-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229SEVERNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-308-3MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN04/14/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-308-4MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229SEVERNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-308-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229SEVERNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-308-6MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN11/05/2019Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-308-7MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN09/07/2017Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-308-8MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN04/14/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-308-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229SEVERNBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-363MDCORE COMMUNICATIONS, INC.- MD2593SEVERNBLTMMDSNDS500/00/0000Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-363
443-363-0MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN03/21/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-363-1MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN03/21/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-363-2MDCORE COMMUNICATIONS, INC.- MD2593SEVERNBLTMMDSNDS510/11/2018Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-363-3MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN03/07/2019Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-363-4MDCORE COMMUNICATIONS, INC.- MD2593SEVERNBLTMMDSNDS505/23/2018Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-363-5MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN03/21/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-363-6MDCORE COMMUNICATIONS, INC.- MD2593SEVERNBLTMMDSNDS505/23/2018Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-363-7MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN09/11/2018Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-363-8MDTELNYX LLC073HSEVERNNOCLLIKNOWN04/13/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-363-9MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN12/07/2020Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050SEVERNBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-599
443-599-0MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050SEVERNBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-1MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050SEVERNBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-2MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN05/22/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-3MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN05/22/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-4MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050SEVERNBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-5MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN08/13/2020Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-6MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN01/08/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-7MDCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JSEVERNBLTMMDDN2MD05/27/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-8MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN05/04/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-599-9MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-679MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325SEVERNBLTMMDFMDS000/00/0000Prefix 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 443-679
443-679-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT004/10/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-679-1MDUS LEC OF MARYLAND, INC.2589SEVERNCLMAMDJTDS003/28/2002Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-679-2MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN01/15/2018Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-679-3MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN04/14/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-679-4MDCOMCAST IP PHONE, LLC318JSEVERNNOCLLIKNOWN11/22/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-679-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SEVERNNOCLLIKNOWN06/06/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-679-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395SEVERNNOCLLIKNOWN05/21/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-679-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395SEVERNNOCLLIKNOWN06/01/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-679-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395SEVERNNOCLLIKNOWN12/05/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-679-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325SEVERNBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-685MDCAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD (Windstream Communications)7944SEVERNBLARMDBL1MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-685
443-685-0MDCAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD (Windstream Communications)7944SEVERNBLARMDBL1MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-685-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT012/14/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-685-2MDTWILIO INTERNATIONAL, INC.506JSEVERNNOCLLIKNOWN12/01/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-685-3MDCOMCAST IP PHONE, LLC318JSEVERNNOCLLIKNOWN05/07/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-685-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395SEVERNNOCLLIKNOWN11/07/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-685-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395SEVERNNOCLLIKNOWN11/07/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-685-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT004/10/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-685-7MDIP HORIZON LLC515JSEVERNNOCLLIKNOWN09/15/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-685-8MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN11/01/2016Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-685-9MDCAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD (Windstream Communications)7944SEVERNBLARMDBL1MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-688MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910SEVERNHNVAMDBHAMD05/10/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-688
443-688-0MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910SEVERNHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-688-1MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910SEVERNHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-688-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT004/15/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-688-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT004/15/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-688-4MDTERRA NOVA TELECOM INC.145JSEVERNNOCLLIKNOWN01/09/2024Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-688-5MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910SEVERNHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-688-6MDCOMCAST IP PHONE, LLC318JSEVERNNOCLLIKNOWN09/26/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-688-7MDCORE COMMUNICATIONS, INC.- MD2593SEVERNNOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-688-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT004/15/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-688-9MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN02/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNODTNMDONDS000/00/0000Prefix Type: RBOC
Switch Name: ODENTON
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-734
443-734-0MDIP HORIZON LLC515JSEVERNNOCLLIKNOWN08/12/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-1MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN08/08/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-2MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN02/10/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-3MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN12/23/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT003/05/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-5MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN02/17/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT010/17/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT005/01/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT005/01/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNODTNMDONDS0N/APrefix Type: RBOC
Switch Name: ODENTON
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-795MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229SEVERNBLTMMDSN5MD00/00/0000Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-795
443-795-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229SEVERNBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-795-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395SEVERNNOCLLIKNOWN10/19/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-795-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT009/11/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-795-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229SEVERNBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-795-4MDCOMCAST IP PHONE, LLC318JSEVERNNOCLLIKNOWN06/11/2012Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-795-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229SEVERNBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-795-6MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910SEVERNNOCLLIKNOWN06/01/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-795-7MDBARR TELL USA, INC.964HSEVERNNOCLLIKNOWN11/18/2016Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-795-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395SEVERNNOCLLIKNOWN12/11/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-795-9MDPEERLESS NETWORK OF MARYLAND, LLC568GSEVERNNOCLLIKNOWN10/19/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-356MDONVOY, LLC - MD (Inteliquent)876DSEVERNPIVLMDPKX8X03/25/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-356
667-356-0MDBANDWIDTH.COM CLEC, LLC - MD071FSEVERNNOCLLIKNOWN04/28/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-356-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT007/01/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-356-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT007/01/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-356-3MDONVOY SPECTRUM, LLC (Inteliquent)624HSEVERNNOCLLIKNOWN04/24/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-356-4MDONVOY, LLC - MD (Inteliquent)876DSEVERNPIVLMDPKX8X06/16/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-356-5MDONVOY, LLC - MD (Inteliquent)876DSEVERNPIVLMDPKX8X06/16/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-356-6MDONVOY, LLC - MD (Inteliquent)876DSEVERNPIVLMDPKX8X08/30/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-356-7MDONVOY, LLC - MD (Inteliquent)876DSEVERNPIVLMDPKX8X03/26/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-356-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT009/20/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-356-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT009/20/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-388MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT012/15/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-388
667-388-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT004/14/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-388-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT004/14/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-388-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT004/14/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-388-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT004/14/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-388-4MDTON80 COMMUNICATIONS, LLC516JSEVERNNOCLLIKNOWN03/08/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-388-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT008/15/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-388-6MDONVOY SPECTRUM, LLC (Inteliquent)624HSEVERNNOCLLIKNOWN12/28/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-388-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT008/15/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-388-8MDONVOY SPECTRUM, LLC (Inteliquent)624HSEVERNNOCLLIKNOWN12/28/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-388-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT012/15/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-410MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT008/16/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-410
667-410-1MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-410-2MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-410-3MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-410-4MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-410-5MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-410-6MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-410-7MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-410-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT008/16/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-410-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT008/16/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info