Rate Center Name: , State:
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.
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 SERVICE1958SYKESVILLENOCLLIKNOWN02/27/2004Prefix 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 S (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 - (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 S (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 - (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 B4492SYKESVILLENOCLLIKNOWN01/21/2004Prefix 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 - (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, IN2596SYKESVILLENOCLLIKNOWN10/22/2003Prefix 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 S (Verizon Communications)7228SYKESVILLEBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40Z00/00/0000Prefix 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
410-984-0MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-1MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-2MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-3MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-4MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-5MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-6MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-7MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-8MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-984-9MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40Z00/00/0000Prefix 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
443-277-0MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-1MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-2MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-3MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-4MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-5MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-6MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-7MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-8MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-277-9MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/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 (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 (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 (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 (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 (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 (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 (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 - (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 (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 (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 - (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 - (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 S (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 (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, LL (CenturyLink, Inc)508JSYKESVILLEBLTMMDDN2MD05/27/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-328-8MDLOCAL ACCESS LLC - MD082HSYKESVILLENOCLLIKNOWN05/03/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-328-9MDLOCAL ACCESS LLC - MD082HSYKESVILLENOCLLIKNOWN02/19/2015Prefix Type: CLEC
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
443-398MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40Z03/15/2001Prefix 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
443-398-0MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398-1MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/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
443-398-4MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398-5MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398-6MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-398-7MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664SYKESVILLEBLTMMDCH40ZN/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 (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 (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 (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. - (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 (CenturyLink, Inc)6050SYKESVILLEBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-516-6MDNEW CINGULAR WIRELESS PCS, LLC (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-ATLANTI (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-ATLANTI (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: CLEC
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, 568GSYKESVILLENOCLLIKNOWN04/05/2013Prefix 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, 568GSYKESVILLENOCLLIKNOWN04/05/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-920MDTELEPORT COMMUNICATIONS AMERIC (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 AMERIC (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
Member of The Internet Defense League