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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
240-221MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-221
240-221-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-221-1MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN09/17/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-221-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-221-3MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY06/30/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-221-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-221-5MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN09/02/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-221-6MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN09/02/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-221-7MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN11NOCLLIKNOWN11/29/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-221-8MDVDL, INC. DBA GLOBAL TELECOM BROKERS - MD4492WSNGTNZN11NOCLLIKNOWN02/24/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-221-9MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN01/25/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-242MDSTARPOWER COMMUNICATIONS, LLC - MD8832WSNGTNZN11LNHMMDADGT000/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-242
240-242-0MDSTARPOWER COMMUNICATIONS, LLC - MD8832WSNGTNZN11LNHMMDADGT0N/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-242-1MDSTARPOWER COMMUNICATIONS, LLC - MD8832WSNGTNZN11LNHMMDADGT0N/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-242-2MDSTARPOWER COMMUNICATIONS, LLC - MD8832WSNGTNZN11LNHMMDADGT0N/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-242-3MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY06/07/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-242-4MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY06/07/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-242-5MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-242-6MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697WSNGTNZN11NOCLLIKNOWN08/09/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-242-7MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN11/17/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-242-8MDSTARPOWER COMMUNICATIONS, LLC - MD8832WSNGTNZN11LNHMMDADGT0N/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-242-9MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN11/17/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-283MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WSNGTNZN11CHCHMDBE6MD00/00/0000Prefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-283
240-283-0MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WSNGTNZN11CHCHMDBE6MDN/APrefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-283-1MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WSNGTNZN11CHCHMDBE6MDN/APrefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-283-2MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WSNGTNZN11CHCHMDBE6MDN/APrefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-283-3MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WSNGTNZN11CHCHMDBE6MDN/APrefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-283-4MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN05/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-283-5MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN05/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-283-6MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WSNGTNZN11CHCHMDBE6MDN/APrefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-283-7MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN09/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-283-8MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WSNGTNZN11CHCHMDBE6MDN/APrefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-283-9MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WSNGTNZN11CHCHMDBE6MDN/APrefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-290MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCRKDS300/00/0000Prefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-290
240-290-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCRKDS3N/APrefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-290-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCRKDS3N/APrefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-290-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCRKDS3N/APrefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-290-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCRKDS3N/APrefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-290-4MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11WASHDCRKDS301/25/2024Prefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-290-5MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN06/04/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-290-6MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11WASHDCRKDS301/25/2024Prefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-290-7MDTERRA NOVA TELECOM INC.145JWSNGTNZN11WASHDCRKDS307/07/2023Prefix Type: IPES
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-290-8MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11WASHDCRKDS301/25/2024Prefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-290-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCRKDS3N/APrefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-292MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-292
240-292-0MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11NOCLLIKNOWN02/05/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-292-1MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11NOCLLIKNOWN02/05/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-292-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-292-3MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN04/11/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-292-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11NOCLLIKNOWN12/23/2002Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-292-5MDLEVEL 3 TELECOM OF MARYLAND, LLC - MD (CenturyLink, Inc)7591WSNGTNZN11NOCLLIKNOWN04/15/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-292-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11NOCLLIKNOWN03/29/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-292-7MDXO MARYLAND, LLC (Verizon Communications)4773WSNGTNZN11WASHDCCZDS106/29/2007Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-292-8MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN09/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-292-9MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN04/08/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-363MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11VINNVACBDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-430MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN11HRNDVA13AMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-430
240-430-0MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN11HRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-430-1MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN11HRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-430-2MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN11HRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-430-3MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN11HRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-430-4MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN11HRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-430-5MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN11HRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-430-6MDVONAGE AMERICA LLC197DWSNGTNZN11NOCLLIKNOWN05/08/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-430-7MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN11HRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-430-8MDVONAGE AMERICA LLC197DWSNGTNZN11NOCLLIKNOWN05/08/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-430-9MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN11HRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-514MDUS LEC OF MARYLAND, INC.2589WSNGTNZN11TYCRVA03DS000/00/0000Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-514
240-514-0MDUS LEC OF MARYLAND, INC.2589WSNGTNZN11TYCRVA03DS0N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-514-1MDUS LEC OF MARYLAND, INC.2589WSNGTNZN11TYCRVA03DS0N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-514-2MDUS LEC OF MARYLAND, INC.2589WSNGTNZN11TYCRVA03DS0N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-514-3MDUS LEC OF MARYLAND, INC.2589WSNGTNZN11TYCRVA03DS0N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-514-4MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN02/23/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-514-5MDUS LEC OF MARYLAND, INC.2589WSNGTNZN11TYCRVA03DS0N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-514-6MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN11NOCLLIKNOWN03/23/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-514-7MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN04/08/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-514-8MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN04/08/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-514-9MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-558MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN11HRNDVA13AMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-558
240-558-0MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN11NOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-558-1MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN05/21/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-558-2MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN11HRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-558-3MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY04/18/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-558-4MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY04/18/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-558-5MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN09/12/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-558-6MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN07/15/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-558-7MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN07/21/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-558-8MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN07/21/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-558-9MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN11NOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-621MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11WASHDCDP8MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-621
240-621-0MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11WASHDCDP8MD12/29/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-621-1MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11WASHDCDP8MD05/21/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-621-2MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11WASHDCDP8MD05/21/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-621-3MDXO MARYLAND, LLC (Verizon Communications)4773WSNGTNZN11WASHDCCZDS109/28/2011Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-621-4MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN03/29/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-621-5MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN03/29/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-621-6MDIP HORIZON LLC515JWSNGTNZN11NOCLLIKNOWN06/13/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-621-7MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY11/10/2011Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-621-8MDTELNYX LLC073HWSNGTNZN11NOCLLIKNOWN03/02/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-621-9MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-627MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WSNGTNZN11WASJDCDCDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-627
240-627-0MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WSNGTNZN11WASJDCDCDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-627-1MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WSNGTNZN11WASJDCDCDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-627-2MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WSNGTNZN11WASJDCDCDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-627-3MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11NOCLLIKNOWNN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-627-4MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WSNGTNZN11WASJDCDCDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-627-5MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-627-6MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN08/29/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-627-7MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EWSNGTNZN11NOCLLIKNOWN08/01/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-627-8MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EWSNGTNZN11NOCLLIKNOWN08/01/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-627-9MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WSNGTNZN11WASJDCDCDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-669MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY00/00/0000Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-669
240-669-0MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)7529WSNGTNZN11NOCLLIKNOWN09/17/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-669-1MDIP HORIZON LLC515JWSNGTNZN11NOCLLIKNOWN08/12/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-669-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11NOCLLIKNOWN01/31/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-669-3MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY04/05/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-669-4MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY05/07/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-669-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11NOCLLIKNOWN06/21/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-669-6MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY11/16/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-669-7MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY11/16/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-669-8MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY11/16/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-669-9MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY10/05/2012Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-747MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN11WASHDC12OMD05/09/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-747
240-747-0MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN11WASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-747-1MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN11WASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-747-2MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN11WASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-747-3MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN11WASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-747-4MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN11WASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-747-5MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN11WASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-747-6MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN11WASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-747-7MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11NOCLLIKNOWN06/21/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-747-8MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN06/04/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-747-9MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN11WASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-833MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCCZDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS10S
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-833
240-833-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCCZDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS10S
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-833-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCCZDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS10S
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-833-2MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY04/02/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-833-3MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY03/25/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-833-4MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCCZDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS10S
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-833-5MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN01/26/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-833-6MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-833-7MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN01/26/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-833-8MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY02/27/2002Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-833-9MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-880MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11MCLNVA23DS400/00/0000Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-880
240-880-0MDCOMMIO, LLC939HWSNGTNZN11NOCLLIKNOWN08/02/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-880-1MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11MCLNVA23DS4N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-880-2MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY04/12/2018Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-880-3MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11MCLNVA23DS4N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-880-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11MCLNVA23DS4N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-880-5MDCOMMIO, LLC939HWSNGTNZN11NOCLLIKNOWN08/02/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-880-6MDCOMMIO, LLC939HWSNGTNZN11NOCLLIKNOWN08/02/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-880-7MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EWSNGTNZN11NOCLLIKNOWN08/01/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-880-8MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EWSNGTNZN11NOCLLIKNOWN08/01/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-880-9MDCOMMIO, LLC939HWSNGTNZN11NOCLLIKNOWN08/02/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-922MDFRACTEL, LLC965HWSNGTNZN11ARTNVAARXBY07/15/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-922
240-922-0MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN07/25/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-922-1MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN07/25/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-922-2MDFRACTEL, LLC965HWSNGTNZN11ARTNVAARXBY07/20/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-922-3MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11NOCLLIKNOWN07/25/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-922-4MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNGTNZN11NOCLLIKNOWN04/21/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-922-5MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN08/25/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-922-6MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN08/25/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-922-7MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNGTNZN11NOCLLIKNOWN12/16/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-922-8MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNGTNZN11NOCLLIKNOWN12/16/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-922-9MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN01/25/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-939MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11WASHDCDP8MD07/26/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-939
240-939-0MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN11WASHDCDP8MD07/26/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-939-1MDCOMMIO, LLC939HWSNGTNZN11NOCLLIKNOWN11/24/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-939-2MDCOMMIO, LLC939HWSNGTNZN11NOCLLIKNOWN11/24/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-939-3MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN03/06/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-939-4MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN03/06/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-939-5MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN05/19/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-939-6MDCOMMIO, LLC939HWSNGTNZN11NOCLLIKNOWN11/24/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-939-7MDCOMMIO, LLC939HWSNGTNZN11NOCLLIKNOWN11/24/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-939-8MDCOMMIO, LLC939HWSNGTNZN11NOCLLIKNOWN11/24/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-939-9MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN11NOCLLIKNOWN08/23/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-230MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-231MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-231
301-231-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-231-1MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN08/05/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-231-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-231-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-231-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-231-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-231-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-231-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-231-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-231-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-255MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-255
301-255-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-255-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-255-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-255-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-255-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-255-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-255-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-255-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-255-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-255-9MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-287MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11RSTNVABHDS300/00/0000Prefix Type: CLEC
Switch Name: RESTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-287
301-287-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11RSTNVABHDS3N/APrefix Type: CLEC
Switch Name: RESTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-287-1MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-287-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11RSTNVABHDS3N/APrefix Type: CLEC
Switch Name: RESTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-287-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11RSTNVABHDS3N/APrefix Type: CLEC
Switch Name: RESTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-287-4MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN11/09/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-287-5MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN11/09/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-287-6MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN11/09/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-287-7MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN03/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-287-8MDATX TELECOMMUNICATIONS SERVICES, LTD.1958WSNGTNZN11NOCLLIKNOWN02/26/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-287-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11RSTNVABHDS3N/APrefix Type: CLEC
Switch Name: RESTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-321MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11VINNVACBDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-321
301-321-0MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-321-1MDCOMMIO, LLC939HWSNGTNZN11NOCLLIKNOWN08/02/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-321-2MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-321-3MDBROADVIEW NETWORKS, INC. - DC (Windstream Holdings)5977WSNGTNZN11NOCLLIKNOWN05/12/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-321-4MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS008/22/2016Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-321-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS011/15/2005Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-321-6MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-321-7MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11VINNVACBDS012/08/2015Prefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-321-8MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11VINNVACBDS012/08/2015Prefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-321-9MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-348MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11RSTNVABHDS300/00/0000Prefix Type: CLEC
Switch Name: RESTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-348
301-348-0MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-348-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11RSTNVABHDS3N/APrefix Type: CLEC
Switch Name: RESTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-348-2MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN04/11/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-348-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11RSTNVABHDS3N/APrefix Type: CLEC
Switch Name: RESTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-348-4MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN04/11/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-348-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11RSTNVABHDS306/23/2017Prefix Type: CLEC
Switch Name: RESTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-348-6MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN08/02/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-348-7MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN07/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-348-8MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY02/09/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-348-9MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-382MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-413MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-443MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRRS100/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-460MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11SLSPMDNBDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-468MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-522MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-603MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11SLSPMDNBDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-603
301-603-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11SLSPMDNBDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-603-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11SLSPMDNBDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-603-2MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY06/24/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-603-3MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN05/28/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-603-4MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-603-5MDBARR TELL USA, INC.964HWSNGTNZN11NOCLLIKNOWN04/26/2018Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-603-6MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN07/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-603-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11SLSPMDNBDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-603-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11SLSPMDNBDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-603-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11SLSPMDNBDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-649MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11SLSPMDNWDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 3
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-692MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)7529WSNGTNZN11WASHDCTTDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-692
301-692-0MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)7529WSNGTNZN11WASHDCTTDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-692-1MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)7529WSNGTNZN11WASHDCTTDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-692-2MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)7529WSNGTNZN11WASHDCTTDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-692-3MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)7529WSNGTNZN11WASHDCTTDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-692-4MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)7529WSNGTNZN11WASHDCTTDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-692-5MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-692-6MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-692-7MDCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JWSNGTNZN11WASIDCRG7MD08/05/2013Prefix Type: IPES
Switch Name: WSHNGTNZN1
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-692-8MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-692-9MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-761MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11MCLNVA23DS402/27/2002Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-761
301-761-0MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN02/26/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-761-1MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11MCLNVA23DS412/20/2004Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-761-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11MCLNVA23DS403/26/2014Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-761-3MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11MCLNVA23DS412/20/2004Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-761-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11MCLNVA23DS4N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-761-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN11MCLNVA23DS401/28/2014Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-761-6MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11NOCLLIKNOWN10/29/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-761-7MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11NOCLLIKNOWN09/29/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-761-8MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN01/25/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-761-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS008/22/2016Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-770MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-816MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-822MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-822
301-822-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS008/22/2016Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-822-1MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-822-2MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN01/21/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-822-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS008/22/2016Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-822-4MDCOMCAST IP PHONE, LLC318JWSNGTNZN11ARTNVAARXDY09/09/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-822-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS008/22/2016Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-822-6MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN11NOCLLIKNOWN10/12/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-822-7MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS008/22/2016Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-822-8MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS008/22/2016Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-822-9MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN11NOCLLIKNOWNN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-871MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11SLSPMDNBDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-881MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-929MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-933MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-942MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-945MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-945
301-945-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-945-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS008/22/2016Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-945-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS008/22/2016Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-945-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS005/06/2015Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-945-4MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-945-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS001/13/2016Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-945-6MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS008/22/2016Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-945-7MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN10/10/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-945-8MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN11NOCLLIKNOWN10/10/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-945-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN11WASHDCINDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-946MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-949MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-962MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-962
301-962-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-962-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-962-2MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN11NOCLLIKNOWN02/07/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-962-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-962-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-962-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-962-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-962-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-962-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-962-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11WHTNMDWTDS0N/APrefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-984MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-998MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN11RKVLMDMRDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 11
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info