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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-285MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDSRRS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-285
443-285-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDSRRS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-285-1MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395COLUMBIABLTOMDKHBMD04/05/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-285-2MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395COLUMBIABLTOMDKHBMD09/07/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-285-3MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395COLUMBIABLTOMDKHBMD08/05/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-285-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDSRRS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-285-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDSRRS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-285-6MDXO MARYLAND, LLC (Verizon Communications)4773COLUMBIABLTMMDSN5MDN/APrefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-285-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDSRRS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-285-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDSRRS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: AT&T Tech Optic Remote Switch
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-285-9MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395COLUMBIABLTOMDKHBMD09/07/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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