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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
240-512MDCORE COMMUNICATIONS, INC.- MD2593WSNG238Z13BLTMMD91DS008/08/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 240-512
240-512-0MDCOMCAST IP PHONE, LLC318JWSNG238Z13NOCLLIKNOWN04/15/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-512-1MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN06/16/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-512-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WSNG238Z13BLTOMDKHDS011/09/2007Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-512-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WSNG238Z13BLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-512-4MDBANDWIDTH.COM CLEC, LLC - MD071FWSNG238Z13NOCLLIKNOWN06/18/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-512-5MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNG238Z13NOCLLIKNOWN10/30/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-512-6MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN05/02/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-512-7MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNG238Z13BLTMMDDN2MD05/28/2014Prefix Type: CLEC
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-512-8MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN02/06/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-512-9MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN02/06/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-540MDWIDE VOICE, LLC - MD530HWSNG238Z13BLTMMDCHX6X10/05/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 240-540
240-540-0MDTELNYX LLC073HWSNG238Z13NOCLLIKNOWN09/03/2019Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-540-1MDWIDE VOICE, LLC - MD530HWSNG238Z13BLTMMDCHX6X10/07/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-540-2MDTWILIO INTERNATIONAL, INC.506JWSNG238Z13NOCLLIKNOWN11/25/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-540-3MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNG238Z13NOCLLIKNOWN02/17/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-540-4MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN03/31/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-540-5MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN03/31/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-540-6MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN02/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-540-7MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN05/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-540-8MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN05/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-540-9MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN05/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-843MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNG238Z13BLTMMDCDDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 240-843
240-843-1MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN06/16/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-843-2MDCORE COMMUNICATIONS, INC.- MD2593WSNG238Z13NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-843-3MDCORE COMMUNICATIONS, INC.- MD2593WSNG238Z13NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-843-4MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNG238Z13BLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-843-5MDCORE COMMUNICATIONS, INC.- MD2593WSNG238Z13NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-843-6MDCORE COMMUNICATIONS, INC.- MD2593WSNG238Z13NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-843-7MDCORE COMMUNICATIONS, INC.- MD2593WSNG238Z13NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-843-8MDCORE COMMUNICATIONS, INC.- MD2593WSNG238Z13NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-843-9MDCORE COMMUNICATIONS, INC.- MD2593WSNG238Z13NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-881MDBANDWIDTH.COM CLEC, LLC - MD071FWSNG238Z13BLTMMDCH45Z11/04/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 240-881
240-881-0MDBANDWIDTH.COM CLEC, LLC - MD071FWSNG238Z13BLTMMDCH45Z11/04/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-881-1MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNG238Z13NOCLLIKNOWN12/21/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-881-2MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNG238Z13NOCLLIKNOWN02/15/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-881-3MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN11/20/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-881-4MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN11/20/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-881-5MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNG238Z13NOCLLIKNOWN02/15/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-881-8MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNG238Z13NOCLLIKNOWN12/21/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
240-881-9MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNG238Z13NOCLLIKNOWN08/23/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
301-307MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNG238Z13CLMAMDCBDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA 1
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 301-307
301-307-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNG238Z13CLMAMDCBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA 1
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
301-307-1MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN03/16/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
301-307-2MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN03/16/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
301-307-4MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN10/08/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
301-307-5MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNG238Z13NOCLLIKNOWN11/29/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
301-307-6MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNG238Z13NOCLLIKNOWN04/24/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
301-307-7MDBALTIMORE-WASHINGTON TELEPHONE (BWT)8697WSNG238Z13NOCLLIKNOWN05/27/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
301-307-8MDHD CARRIER LLC321JWSNG238Z13NOCLLIKNOWN04/07/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
301-307-9MDONVOY, LLC - MD (Inteliquent)876DWSNG238Z13NOCLLIKNOWN10/08/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info