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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-205MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-205
410-205-0MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT007/03/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-205-1MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN06/16/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-205-2MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDSNDS508/28/2009Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-205-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT006/15/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-205-4MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN09/24/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-205-5MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-205-6MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-205-7MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX11/19/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-205-8MDBROADVIEW NETWORKS, INC. - MD (Windstream Holdings)9170PIKESVILLENOCLLIKNOWN02/16/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-205-9MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-345MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS000/00/0000Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-345
410-345-0MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-345-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-345-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-345-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-345-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-345-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-345-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-345-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-345-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-345-9MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLEOWMLMDOMDS010/11/2018Prefix Type: CLEC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-356MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS000/00/0000Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-363MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS000/00/0000Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-413MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-413
410-413-0MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY05/02/2014Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-413-1MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-413-2MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-413-3MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN02/18/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-413-4MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-413-5MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-413-6MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX01/31/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-413-7MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN05/22/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-413-8MDVDL, INC. DBA GLOBAL TELECOM B4492PIKESVILLENOCLLIKNOWN09/28/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-413-9MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-415MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS100/00/0000Prefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-415
410-415-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS1N/APrefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-415-1MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLENOCLLIKNOWN11/26/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-415-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS1N/APrefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-415-3MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN01/31/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-415-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS1N/APrefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-415-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS1N/APrefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-415-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS1N/APrefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-415-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS1N/APrefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-415-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS1N/APrefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-415-9MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN03/30/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-484MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS100/00/0000Prefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-486MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS100/00/0000Prefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-504MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS000/00/0000Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-504
410-504-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-504-1MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLENOCLLIKNOWN09/27/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-504-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT003/09/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-504-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT003/09/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-504-4MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT003/09/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-504-5MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX06/30/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-504-6MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLENOCLLIKNOWN09/27/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-504-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT002/22/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-504-8MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFXN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-504-9MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT004/30/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325PIKESVILLEBLTMMDFMDS000/00/0000Prefix 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 410-559
410-559-0MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325PIKESVILLEBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-1MDTELNYX LLC073HPIKESVILLENOCLLIKNOWN03/02/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-2MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325PIKESVILLEBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-3MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325PIKESVILLEBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-4MDONVOY SPECTRUM, LLC (Inteliquent)624HPIKESVILLENOCLLIKNOWN10/13/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-5MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325PIKESVILLEBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-6MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX10/27/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-7MDTERRA NOVA TELECOM INC.145JPIKESVILLENOCLLIKNOWN08/26/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-8MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325PIKESVILLEBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-559-9MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN03/16/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-577MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS005/10/2005Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-577
410-577-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS005/12/2005Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-577-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS005/12/2005Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-577-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS005/12/2005Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-577-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS005/12/2005Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-577-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS005/12/2005Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-577-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS005/12/2005Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-577-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS005/12/2005Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-577-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS005/12/2005Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-577-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS005/12/2005Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-577-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS005/12/2005Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-580MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS100/00/0000Prefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-581MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS000/00/0000Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-602MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS100/00/0000Prefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-653MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS100/00/0000Prefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-654MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS000/00/0000Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-753MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-753
410-753-0MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-753-1MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-753-2MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLENOCLLIKNOWN12/16/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-753-3MDVDL, INC. DBA GLOBAL TELECOM B4492PIKESVILLENOCLLIKNOWN10/17/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-753-4MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLENOCLLIKNOWN01/27/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-753-5MDONVOY SPECTRUM, LLC (Inteliquent)624HPIKESVILLENOCLLIKNOWN10/13/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-753-6MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS008/25/2011Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-753-7MDONVOY SPECTRUM, LLC (Inteliquent)624HPIKESVILLENOCLLIKNOWN10/13/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-753-8MDATX TELECOMMUNICATIONS SERVICE1958PIKESVILLENOCLLIKNOWN02/03/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-753-9MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-902MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS000/00/0000Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-998MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS000/00/0000Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-998
410-998-0MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-998-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-998-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-998-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-998-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-998-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-998-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-998-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-998-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-998-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS0N/APrefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-204MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT005/15/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-204
443-204-0MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT005/16/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-204-1MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT005/16/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-204-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT005/16/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-204-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT005/16/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-204-4MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT001/12/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-204-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT001/08/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-204-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT003/22/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-204-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT001/08/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-204-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS010/14/2003Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-204-9MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT003/17/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-213MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS000/00/0000Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-213
443-213-0MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLENOCLLIKNOWN08/22/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-213-1MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDSNDS507/11/2006Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-213-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS008/13/2003Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-213-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS008/13/2003Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-213-4MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-213-5MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX06/13/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-213-6MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS008/13/2003Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-213-7MDUS LEC OF MARYLAND, INC.2589PIKESVILLECLMAMDJTDSA11/25/2016Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-213-8MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX06/16/2011Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-213-9MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLEBLTMMDCHYMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-264
443-264-0MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY10/06/2021Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264-1MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY10/06/2021Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264-2MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLEBLTMMDCHYMD03/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264-3MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN05/02/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264-4MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN05/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264-5MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLEBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264-6MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLEBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264-7MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLEBLTMMDCHYMD05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264-8MDNUSO, LLC551GPIKESVILLEBLTMMDCHDMD06/25/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-264-9MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLEBLTMMDCHYMD10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDCDDS003/14/2001Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-334
443-334-0MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN03/04/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-1MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS109/26/2003Prefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS109/26/2003Prefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-4MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697PIKESVILLENOCLLIKNOWN02/10/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-5MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX10/18/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-6MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN08/09/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT009/26/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-8MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLENOCLLIKNOWN11/20/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-9MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-352MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLEBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-352
443-352-0MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLEBLTMMDSN6MD08/29/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-352-1MDNUSO, LLC551GPIKESVILLEBLTMMDCHDMD08/02/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-352-2MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN03/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-352-3MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX08/01/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-352-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS009/26/2003Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-352-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS009/26/2003Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-352-6MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN03/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-352-7MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLEBLTMMDSN6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-352-8MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX08/01/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-352-9MDNUSO, LLC551GPIKESVILLEBLTMMDCHDMD08/02/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-357MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS100/00/0000Prefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-357
443-357-0MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-357-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS1N/APrefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-357-2MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-357-3MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-357-4MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN03/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-357-5MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-357-6MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-357-7MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN03/14/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-357-8MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-357-9MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-379MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX02/23/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-379
443-379-0MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX02/26/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-379-1MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT007/30/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-379-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT011/06/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-379-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT009/29/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-379-4MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN04/20/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-379-5MDPAETEC COMMUNICATIONS, INC. - (Windstream Communications)4716PIKESVILLEBLTMMDCHW2901/10/2011Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-379-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT001/24/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-379-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT009/29/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-379-8MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN04/20/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-379-9MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT009/29/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-394MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS000/00/0000Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-450MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLEBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-450
443-450-0MDBARR TELL USA, INC.964HPIKESVILLENOCLLIKNOWN11/18/2016Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-450-1MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLEBLTMMDSN6MD07/05/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-450-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT009/21/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-450-3MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX07/05/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-450-4MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLEBLTMMDSN6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-450-5MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX08/25/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-450-6MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX12/29/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-450-7MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX06/10/2019Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-450-8MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY11/13/2014Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-450-9MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN12/15/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-471MDUS LEC OF MARYLAND, INC.2589PIKESVILLECLMAMDJTDS000/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-471
443-471-0MDUS LEC OF MARYLAND, INC.2589PIKESVILLECLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-471-1MDUS LEC OF MARYLAND, INC.2589PIKESVILLECLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-471-2MDUS LEC OF MARYLAND, INC.2589PIKESVILLECLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-471-3MDUS LEC OF MARYLAND, INC.2589PIKESVILLECLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-471-4MDUS LEC OF MARYLAND, INC.2589PIKESVILLECLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-471-5MDUS LEC OF MARYLAND, INC.2589PIKESVILLECLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-471-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT007/26/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-471-7MDUS LEC OF MARYLAND, INC.2589PIKESVILLECLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-471-8MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLENOCLLIKNOWN09/13/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-471-9MDTERRA NOVA TELECOM INC.145JPIKESVILLENOCLLIKNOWN10/03/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-501MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050PIKESVILLEBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-501
443-501-0MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050PIKESVILLEBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-501-1MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050PIKESVILLEBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-501-2MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN09/12/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-501-3MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX06/12/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-501-4MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050PIKESVILLEBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-501-5MDTERRA NOVA TELECOM INC.145JPIKESVILLENOCLLIKNOWN03/09/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-501-6MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY02/25/2014Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-501-7MDCENTURYLINK COMMUNICATIONS, LL (CenturyLink, Inc)508JPIKESVILLEBLTMMDDN2MD03/06/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-501-8MDNUSO, LLC551GPIKESVILLEBLTMMDCHDMD03/04/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-501-9MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN09/14/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-544MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMD05/10/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-544
443-544-0MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-544-1MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-544-2MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-544-3MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-544-4MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY10/10/2022Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-544-6MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-544-7MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX03/29/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-544-8MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-544-9MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-548MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDCDDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-548
443-548-0MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-548-1MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-548-2MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-548-3MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX10/14/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-548-4MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-548-5MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-548-6MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-548-7MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-548-8MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-548-9MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-641MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLEBLTMMDSN6MD05/18/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-641
443-641-0MDPEERLESS NETWORK OF MARYLAND, 568GPIKESVILLENOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-641-1MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLEBLTMMDSN6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-641-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS009/13/2004Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-641-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT007/26/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-641-4MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT007/26/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-641-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEOWMLMDOMDS009/13/2004Prefix Type: RBOC
Switch Name: OWINGS MILLS
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-641-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT011/15/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-641-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT011/15/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-641-8MDPEERLESS NETWORK OF MARYLAND, 568GPIKESVILLENOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-641-9MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLEBLTMMDSN6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-660MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX00/00/0000Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-660
443-660-0MDLOCAL ACCESS LLC - MD082HPIKESVILLENOCLLIKNOWN08/12/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-660-1MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS005/19/2005Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-660-2MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS005/19/2005Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-660-3MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS005/19/2005Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-660-4MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT011/15/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-660-5MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS005/19/2005Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-660-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT008/24/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-660-7MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX09/12/2012Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-660-8MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX05/08/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-660-9MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFXN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-738MDPAETEC COMMUNICATIONS, INC. - (Windstream Communications)4716PIKESVILLEBLTMMDCHW2900/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-738
443-738-0MDPAETEC COMMUNICATIONS, INC. - (Windstream Communications)4716PIKESVILLEBLTMMDCHW29N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-738-1MDPAETEC COMMUNICATIONS, INC. - (Windstream Communications)4716PIKESVILLEBLTMMDCHW29N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-738-2MDPAETEC COMMUNICATIONS, INC. - (Windstream Communications)4716PIKESVILLEBLTMMDCHW29N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-738-3MDPAETEC COMMUNICATIONS, INC. - (Windstream Communications)4716PIKESVILLEBLTMMDCHW29N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-738-4MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN08/06/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-738-5MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN08/06/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-738-6MDNUSO, LLC551GPIKESVILLEBLTMMDCHDMD08/02/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-738-7MDPAETEC COMMUNICATIONS, INC. - (Windstream Communications)4716PIKESVILLEBLTMMDCHW29N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-738-8MDPAETEC COMMUNICATIONS, INC. - (Windstream Communications)4716PIKESVILLEBLTMMDCHW29N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-738-9MDPAETEC COMMUNICATIONS, INC. - (Windstream Communications)4716PIKESVILLEBLTMMDCHW29N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-796MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDSN5MD00/00/0000Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-796
443-796-0MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-796-1MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-796-2MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-796-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT012/09/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-796-4MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-796-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT002/12/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-796-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT010/27/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-796-7MDXO MARYLAND, LLC (Verizon Communications)4773PIKESVILLEBLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-796-8MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY07/15/2015Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-796-9MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-870MDLEVEL 3 TELECOM OF MARYLAND, L (CenturyLink, Inc)7591PIKESVILLEBLTMMDDNDS200/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-870
443-870-0MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY09/10/2014Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-870-1MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY09/10/2014Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-870-2MDLEVEL 3 TELECOM OF MARYLAND, L (CenturyLink, Inc)7591PIKESVILLEBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-870-3MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX09/18/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-870-4MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN12/15/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-870-5MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN12/15/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-870-6MDLEVEL 3 TELECOM OF MARYLAND, L (CenturyLink, Inc)7591PIKESVILLEBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-870-7MDLEVEL 3 TELECOM OF MARYLAND, L (CenturyLink, Inc)7591PIKESVILLEBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-870-8MDLEVEL 3 TELECOM OF MARYLAND, L (CenturyLink, Inc)7591PIKESVILLEBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-870-9MDLEVEL 3 TELECOM OF MARYLAND, L (CenturyLink, Inc)7591PIKESVILLEBLTMMDDNDS2N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-898MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLEBLTMMDSN6MD12/08/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-898
443-898-0MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-898-1MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLEBLTMMDSN6MD10/12/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-898-2MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY02/15/2008Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-898-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT008/03/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-898-4MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN08/08/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-898-5MDNUSO, LLC551GPIKESVILLEBLTMMDCHDMD08/02/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-898-6MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX01/15/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-898-7MDNUSO, LLC551GPIKESVILLEBLTMMDCHDMD08/02/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-898-8MDCOMCAST IP PHONE, LLC318JPIKESVILLEBLTMMDCHXFX12/29/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-898-9MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119PIKESVILLEBLTMMDSN6MD11/26/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-929MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY04/20/2001Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-929
443-929-0MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWYN/APrefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-929-1MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWYN/APrefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-929-2MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWYN/APrefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-929-3MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY04/10/2006Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-929-4MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY08/14/2007Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-929-5MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY03/24/2008Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-929-6MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWYN/APrefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-929-7MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY05/19/2008Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-929-8MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY01/10/2007Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-929-9MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWYN/APrefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-940MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMD08/21/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-940
443-940-0MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-940-1MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-940-2MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-940-3MDTWILIO INTERNATIONAL, INC.506JPIKESVILLENOCLLIKNOWN12/01/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-940-4MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-940-5MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN08/24/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-940-6MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN08/24/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-940-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT009/21/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-940-8MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN08/13/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-940-9MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910PIKESVILLEHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-273MDCSC WIRELESS, LLC425JPIKESVILLEPIVLMDPKY0X10/09/2019Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-273
667-273-0MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY04/15/2021Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-273-1MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY06/11/2021Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-273-2MDCSC WIRELESS, LLC425JPIKESVILLEPIVLMDPKY0X10/10/2019Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-273-3MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY02/25/2022Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-273-4MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY02/25/2022Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-273-5MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY02/25/2022Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-273-6MDONVOY SPECTRUM, LLC (Inteliquent)624HPIKESVILLENOCLLIKNOWN04/24/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-273-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT009/21/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-273-8MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY08/25/2021Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-273-9MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY08/25/2021Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-305MDNUSO, LLC551GPIKESVILLEBLTMMDCHDMD05/10/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-305
667-305-0MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY01/07/2016Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-305-1MDNUSO, LLC551GPIKESVILLEBLTMMDCHDMD05/15/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-305-2MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN05/12/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-305-3MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN05/12/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-305-4MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT009/17/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-305-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT009/17/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-305-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT007/22/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-305-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT007/22/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-305-8MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY06/16/2016Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-305-9MDLOCAL ACCESS LLC - MD082HPIKESVILLENOCLLIKNOWN05/03/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-313MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS012/16/2015Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-313
667-313-0MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS012/17/2015Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-313-1MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS012/17/2015Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-313-2MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS012/17/2015Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-313-3MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS012/17/2015Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-313-4MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS012/17/2015Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-313-5MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS012/17/2015Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-313-6MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS012/17/2015Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-313-7MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS012/17/2015Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-313-8MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS012/17/2015Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-313-9MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228PIKESVILLEBLTOMDKHDS012/17/2015Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-622MDTON80 COMMUNICATIONS, LLC516JPIKESVILLEBLTQMD01BMD03/23/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-622
667-622-0MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT007/13/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-622-1MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT007/13/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-622-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT007/13/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-622-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT007/13/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-622-4MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT009/21/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-622-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT009/21/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-622-6MDTON80 COMMUNICATIONS, LLC516JPIKESVILLEBLTQMD01BMD03/23/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-622-7MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN08/04/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-622-8MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN08/04/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-622-9MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN08/04/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-755MDQUANTUM TELECOMMUNICATIONS, IN2596PIKESVILLEBLTMMDCHX3Y09/29/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-755
667-755-0MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY12/02/2021Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-755-1MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY12/02/2021Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-755-2MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY12/02/2021Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-755-3MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY12/02/2021Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-755-4MDONVOY, LLC - MD (Inteliquent)876DPIKESVILLENOCLLIKNOWN09/16/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-755-5MDQUANTUM TELECOMMUNICATIONS, IN2596PIKESVILLEBLTMMDCHX3Y09/29/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-755-6MDONVOY SPECTRUM, LLC (Inteliquent)624HPIKESVILLENOCLLIKNOWN01/09/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-755-7MDONVOY SPECTRUM, LLC (Inteliquent)624HPIKESVILLENOCLLIKNOWN01/09/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-755-8MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY12/02/2021Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-755-9MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855PIKESVILLEBLTMMDCHXWY12/02/2021Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-877MDCOMMIO, LLC939HPIKESVILLENOCLLIKNOWN09/15/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-877
667-877-0MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN10/18/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-877-1MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN10/18/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-877-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT011/15/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-877-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT011/15/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-877-4MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT011/15/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-877-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT011/15/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-877-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT011/15/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-877-7MDCOMMIO, LLC939HPIKESVILLENOCLLIKNOWN09/15/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-877-8MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036PIKESVILLECLMAMDORGT011/15/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-877-9MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN10/18/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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