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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-542MDCOMCAST IP PHONE, LLC318JCOLUMBIABLTMMDCHXFX00/00/0000Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-542
443-542-0MDCOMCAST IP PHONE, LLC318JCOLUMBIABLTMMDCHXFXN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-542-1MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855COLUMBIABLTMMDCH03Z10/27/2004Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-542-2MDCOMCAST IP PHONE, LLC318JCOLUMBIABLTMMDCHXFXN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-542-3MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855COLUMBIABLTMMDCH03Z02/15/2005Prefix Type: PCS
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-542-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDSRRS011/24/2004Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-542-5MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910COLUMBIANOCLLIKNOWN06/01/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-542-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDSRRS011/24/2004Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-542-7MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395COLUMBIABLTOMDKHBMD01/04/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-542-8MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395COLUMBIABLTOMDKHBMD08/02/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-542-9MDCOMCAST IP PHONE, LLC318JCOLUMBIABLTMMDCHXFX01/09/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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