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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-583MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697COLUMBIABLTMMDCH14Z00/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-583
443-583-0MDONVOY, LLC - MD (Inteliquent)876DCOLUMBIANOCLLIKNOWN02/03/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-583-1MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697COLUMBIABLTMMDCH14ZN/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-583-2MDQUANTUM TELECOMMUNICATIONS, INC. - MD2596COLUMBIANOCLLIKNOWN01/04/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-583-3MDBANDWIDTH.COM CLEC, LLC - MD071FCOLUMBIANOCLLIKNOWN03/03/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-583-4MDBANDWIDTH.COM CLEC, LLC - MD071FCOLUMBIANOCLLIKNOWN03/03/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-583-5MDONVOY, LLC - MD (Inteliquent)876DCOLUMBIANOCLLIKNOWN08/06/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-583-6MDMETROPCS, INC. (T-Mobile US, Inc)5562COLUMBIABLTMMDCH40Z05/05/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-583-7MDCOMCAST IP PHONE, LLC318JCOLUMBIABLTMMDCHXFX09/02/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-583-8MDBANDWIDTH.COM CLEC, LLC - MD071FCOLUMBIANOCLLIKNOWN04/14/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-583-9MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855COLUMBIABLTMMDCH03Z10/13/2014Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info