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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-549MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLESYVLMDSKDS000/00/0000Prefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-552MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLESYVLMDSKDS000/00/0000Prefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-552
410-552-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLESYVLMDSKDS0N/APrefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-552-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLESYVLMDSKDS0N/APrefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-552-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLESYVLMDSKDS0N/APrefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-552-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLESYVLMDSKDS0N/APrefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-552-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLESYVLMDSKDS0N/APrefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-552-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLESYVLMDSKDS0N/APrefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-552-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLESYVLMDSKDS0N/APrefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-552-7MDCORE COMMUNICATIONS, INC.- MD2593SYKESVILLENOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-552-8MDCOMCAST IP PHONE, LLC318JSYKESVILLENOCLLIKNOWN04/24/2012Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-552-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLESYVLMDSKDS0N/APrefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-795MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLESYVLMDSKDS000/00/0000Prefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-875MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLEWMNSMDWMDS000/00/0000Prefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-875
410-875-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLEWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-875-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLEWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-875-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLEWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-875-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLEWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-875-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLEWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-875-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLEWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-875-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLEWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-875-7MDCOMCAST IP PHONE, LLC318JSYKESVILLENOCLLIKNOWN09/09/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-875-8MDATX TELECOMMUNICATIONS SERVICES, LTD.1958SYKESVILLENOCLLIKNOWN02/27/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-875-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLEWMNSMDWMDS0N/APrefix Type: RBOC
Switch Name: WESTMINSTER
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-970MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228SYKESVILLEBLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-970
410-970-0MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SYKESVILLENOCLLIKNOWN03/14/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-970-1MDTERRA NOVA TELECOM INC.145JSYKESVILLENOCLLIKNOWN12/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-970-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228SYKESVILLEBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-970-3MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLENOCLLIKNOWN04/21/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-970-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SYKESVILLENOCLLIKNOWN02/28/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-970-5MDVDL, INC. DBA GLOBAL TELECOM BROKERS - MD4492SYKESVILLENOCLLIKNOWN01/21/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-970-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SYKESVILLENOCLLIKNOWN02/02/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-970-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212SYKESVILLESYVLMDSKDS005/05/2004Prefix Type: RBOC
Switch Name: SYKESVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-970-8MDQUANTUM TELECOMMUNICATIONS, INC. - MD2596SYKESVILLENOCLLIKNOWN10/22/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-970-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228SYKESVILLEBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40Z00/00/0000Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-984
410-984-0MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-1MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-2MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-3MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-4MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-5MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-6MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-7MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-8MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-9MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40Z00/00/0000Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-277
443-277-0MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-1MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-2MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-3MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-4MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-5MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-6MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-7MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-8MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-9MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-280MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SYKESVILLECLMAMDORGT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-280
443-280-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SYKESVILLECLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-280-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SYKESVILLECLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-280-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SYKESVILLECLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-280-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SYKESVILLECLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-280-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SYKESVILLECLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-280-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SYKESVILLECLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-280-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SYKESVILLENOCLLIKNOWN05/31/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-280-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SYKESVILLECLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-280-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SYKESVILLECLMAMDORGT009/02/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-280-9MDBANDWIDTH.COM CLEC, LLC - MD071FSYKESVILLENOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-300MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SYKESVILLEBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-300
443-300-0MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLENOCLLIKNOWN06/16/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-300-1MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLENOCLLIKNOWN03/31/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-300-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119SYKESVILLEBLTMMDSN6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-300-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228SYKESVILLEBLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-300-4MDONVOY SPECTRUM, LLC (Inteliquent)624HSYKESVILLENOCLLIKNOWN05/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-300-5MDTWILIO INTERNATIONAL, INC.506JSYKESVILLENOCLLIKNOWN12/01/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-300-6MDBANDWIDTH.COM CLEC, LLC - MD071FSYKESVILLENOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-300-7MDBANDWIDTH.COM CLEC, LLC - MD071FSYKESVILLENOCLLIKNOWN08/04/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-300-8MDBANDWIDTH.COM CLEC, LLC - MD071FSYKESVILLENOCLLIKNOWN09/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-300-9MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLENOCLLIKNOWN06/16/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-328MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697SYKESVILLEBLTMMDCH14Z00/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-328
443-328-0MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLENOCLLIKNOWN03/31/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-328-1MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697SYKESVILLEBLTMMDCH14ZN/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-328-2MDCORE COMMUNICATIONS, INC.- MD2593SYKESVILLENOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-328-3MDBANDWIDTH.COM CLEC, LLC - MD071FSYKESVILLENOCLLIKNOWN04/22/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-328-4MDBANDWIDTH.COM CLEC, LLC - MD071FSYKESVILLENOCLLIKNOWN04/22/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-328-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SYKESVILLECLMAMDORGT009/16/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-328-6MDCOMCAST IP PHONE, LLC318JSYKESVILLENOCLLIKNOWN01/02/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-328-7MDCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JSYKESVILLEBLTMMDDN2MD05/27/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-328-8MDIP HORIZON LLC515JSYKESVILLENOCLLIKNOWN05/03/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-328-9MDIP HORIZON LLC515JSYKESVILLENOCLLIKNOWN02/19/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-361MDCORE COMMUNICATIONS, INC.- MD2593SYKESVILLEBLTMMD91DS000/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40Z03/15/2001Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-398
443-398-0MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398-1MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398-2MDBANDWIDTH.COM CLEC, LLC - MD071FSYKESVILLENOCLLIKNOWN01/31/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398-3MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLENOCLLIKNOWN02/06/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398-4MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398-5MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398-6MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398-7MDMETROPCS, INC. (T-Mobile US, Inc)5562SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398-8MDCOMCAST IP PHONE, LLC318JSYKESVILLENOCLLIKNOWN03/31/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398-9MDCORE COMMUNICATIONS, INC.- MD2593SYKESVILLENOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-516MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050SYKESVILLEBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-516
443-516-0MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050SYKESVILLEBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-516-1MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050SYKESVILLEBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-516-2MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716SYKESVILLEBLTMMDCHW2912/03/2004Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-516-3MDCORE COMMUNICATIONS, INC.- MD2593SYKESVILLENOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-516-4MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050SYKESVILLEBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-516-5MDPEERLESS NETWORK OF MARYLAND, LLC568GSYKESVILLENOCLLIKNOWN02/22/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-516-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SYKESVILLECLMAMDORGT008/22/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-516-7MDBANDWIDTH.COM CLEC, LLC - MD071FSYKESVILLENOCLLIKNOWN05/04/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-516-8MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLENOCLLIKNOWN03/01/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-516-9MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLENOCLLIKNOWN03/01/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-609MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910SYKESVILLEHNVAMDBHAMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-609
443-609-0MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910SYKESVILLEHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-609-1MDUS LEC OF MARYLAND, INC.2589SYKESVILLECLMAMDJTDS002/06/2003Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-609-2MDBANDWIDTH.COM CLEC, LLC - MD071FSYKESVILLENOCLLIKNOWN07/18/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-609-3MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697SYKESVILLENOCLLIKNOWN07/19/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-609-4MDCOMCAST IP PHONE, LLC318JSYKESVILLENOCLLIKNOWN01/09/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-609-5MDTELNYX LLC073HSYKESVILLENOCLLIKNOWN04/14/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-609-6MDCOMCAST IP PHONE, LLC318JSYKESVILLENOCLLIKNOWN02/02/2018Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-609-7MDBANDWIDTH.COM CLEC, LLC - MD071FSYKESVILLENOCLLIKNOWN06/28/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-609-8MDPEERLESS NETWORK OF MARYLAND, LLC568GSYKESVILLENOCLLIKNOWN04/05/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-609-9MDPEERLESS NETWORK OF MARYLAND, LLC568GSYKESVILLENOCLLIKNOWN04/05/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-920MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325SYKESVILLECLMAMDNIDS100/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-920
443-920-0MDBANDWIDTH.COM CLEC, LLC - MD071FSYKESVILLENOCLLIKNOWN06/28/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-920-1MDCORE COMMUNICATIONS, INC.- MD2593SYKESVILLENOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-920-2MDCORE COMMUNICATIONS, INC.- MD2593SYKESVILLENOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-920-3MDCOMCAST IP PHONE, LLC318JSYKESVILLENOCLLIKNOWN04/21/2009Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-920-4MDBANDWIDTH.COM CLEC, LLC - MD071FSYKESVILLENOCLLIKNOWN05/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-920-5MDBANDWIDTH.COM CLEC, LLC - MD071FSYKESVILLENOCLLIKNOWN05/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-920-6MDCORE COMMUNICATIONS, INC.- MD2593SYKESVILLENOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-920-7MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLENOCLLIKNOWN02/29/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-920-8MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLENOCLLIKNOWN02/29/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-920-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325SYKESVILLECLMAMDNIDS1N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-339MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLEBLTMMDCH42Z09/01/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-339
667-339-0MDONVOY SPECTRUM, LLC (Inteliquent)624HSYKESVILLENOCLLIKNOWN10/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-339-1MDONVOY SPECTRUM, LLC (Inteliquent)624HSYKESVILLENOCLLIKNOWN10/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-339-2MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLEBLTMMDCH42Z09/01/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-339-3MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLEBLTMMDCH42Z09/01/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-339-4MDONVOY SPECTRUM, LLC (Inteliquent)624HSYKESVILLENOCLLIKNOWN02/24/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-339-5MDONVOY SPECTRUM, LLC (Inteliquent)624HSYKESVILLENOCLLIKNOWN02/24/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-339-6MDONVOY SPECTRUM, LLC (Inteliquent)624HSYKESVILLENOCLLIKNOWN01/13/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-339-7MDONVOY SPECTRUM, LLC (Inteliquent)624HSYKESVILLENOCLLIKNOWN01/13/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-339-8MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLEBLTMMDCH42Z09/16/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-339-9MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLEBLTMMDCH42Z07/13/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-478MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLENOCLLIKNOWN03/21/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-478
667-478-0MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLENOCLLIKNOWN03/21/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-478-1MDONVOY, LLC - MD (Inteliquent)876DSYKESVILLENOCLLIKNOWN03/21/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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