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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-733MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WATERLO238CLMAMDNIDS100/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-733
443-733-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WATERLO238BLTMMDSN5MD01/21/2003Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-1MDUS LEC OF MARYLAND, INC.2589WATERLO238CLMAMDJTDS002/07/2003Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-2MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697WATERLO238NOCLLIKNOWN03/05/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WATERLO238BLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-4MDONVOY, LLC - MD (Inteliquent)876DWATERLO238NOCLLIKNOWN03/29/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-5MDBROADVIEW NETWORKS, INC. - MD (Windstream Holdings)9170WATERLO238NOCLLIKNOWN09/12/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-6MDONVOY, LLC - MD (Inteliquent)876DWATERLO238NOCLLIKNOWN03/29/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-7MDCORE COMMUNICATIONS, INC.- MD2593WATERLO238NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-8MDIP HORIZON LLC515JWATERLO238NOCLLIKNOWN05/03/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-733-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WATERLO238CLMAMDNIDS1N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info