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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-537MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395COLUMBIABLTOMDKHBMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-537
443-537-0MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855COLUMBIABLTMMDCH03Z09/30/2009Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-537-1MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119COLUMBIACLMAMDSRRS009/25/2009Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-537-2MDUS LEC OF MARYLAND, INC.2589COLUMBIACLMAMDJTDSA02/15/2011Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-537-3MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395COLUMBIABLTOMDKHBMD05/05/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-537-4MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119COLUMBIACLMAMDCBDS005/26/2009Prefix Type: CLEC
Switch Name: COLUMBIA 1
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-537-5MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395COLUMBIABLTOMDKHBMD06/02/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-537-6MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395COLUMBIABLTOMDKHBMD06/02/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-537-7MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395COLUMBIABLTOMDKHBMD06/02/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-537-8MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395COLUMBIABLTOMDKHBMD06/02/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-537-9MDBANDWIDTH.COM CLEC, LLC - MD071FCOLUMBIANOCLLIKNOWN12/29/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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