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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-487MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WESTMINSTRBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-487
443-487-0MDONVOY, LLC - MD (Inteliquent)876DWESTMINSTRNOCLLIKNOWN09/16/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD02/05/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD03/05/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD01/05/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WESTMINSTRBLTMMDSN6MD04/07/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-5MDUS LEC OF MARYLAND, INC.2589WESTMINSTRCLMAMDJTDS010/29/2002Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-6MDBANDWIDTH.COM CLEC, LLC - MD071FWESTMINSTRNOCLLIKNOWN08/04/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395WESTMINSTRBLTOMDKHBMD09/05/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-8MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WESTMINSTRBLTMMDCDDS011/04/2002Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-487-9MDCOMCAST IP PHONE, LLC318JWESTMINSTRNOCLLIKNOWN09/14/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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