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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-584MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697CROFTONBLTMMDCH14Z00/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-584
443-584-0MDONVOY SPECTRUM, LLC (Sinch)624HCROFTONNOCLLIKNOWN04/23/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-584-1MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697CROFTONBLTMMDCH14ZN/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-584-2MDTERRA NOVA TELECOM INC.145JCROFTONNOCLLIKNOWN01/08/2024Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-584-3MDBANDWIDTH.COM CLEC, LLC - MD071FCROFTONNOCLLIKNOWN05/07/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-584-4MDCOMCAST IP PHONE, LLC (Comcast)318JCROFTONNOCLLIKNOWN06/26/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-584-5MDBANDWIDTH.COM CLEC, LLC - MD071FCROFTONNOCLLIKNOWN04/21/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-584-6MDBANDWIDTH.COM CLEC, LLC - MD071FCROFTONNOCLLIKNOWN04/21/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-584-7MDCENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)508JCROFTONBLTMMDDN2MD05/27/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-584-8MDIP HORIZON LLC515JCROFTONNOCLLIKNOWN09/15/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-584-9MDIP HORIZON LLC515JCROFTONNOCLLIKNOWN02/19/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info