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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-539MDUS LEC OF MARYLAND, INC.2589COLUMBIACLMAMDJTDS000/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-539
443-539-0MDUS LEC OF MARYLAND, INC.2589COLUMBIACLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-539-1MDUS LEC OF MARYLAND, INC.2589COLUMBIACLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-539-2MDUS LEC OF MARYLAND, INC.2589COLUMBIACLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-539-3MDUS LEC OF MARYLAND, INC.2589COLUMBIACLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-539-4MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716COLUMBIABLTMMDCHW2908/04/2006Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-539-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228COLUMBIABLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-539-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395COLUMBIABLTOMDKHBMD09/29/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-539-7MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119COLUMBIANOCLLIKNOWN01/25/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-539-8MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119COLUMBIANOCLLIKNOWN02/01/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-539-9MDUS LEC OF MARYLAND, INC.2589COLUMBIACLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info