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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-777MDVERIZON MARYLAND, INC. (Verizon Communications)9212ESSEXESSXMDEXDS000/00/0000Prefix Type: RBOC
Switch Name: ESSEX
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-777
443-777-0MDTELNYX LLC073HESSEXNOCLLIKNOWN03/02/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-777-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212ESSEXESSXMDEXDS0N/APrefix Type: RBOC
Switch Name: ESSEX
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-777-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212ESSEXESSXMDEXDS0N/APrefix Type: RBOC
Switch Name: ESSEX
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-777-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212ESSEXESSXMDEXDS0N/APrefix Type: RBOC
Switch Name: ESSEX
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-777-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212ESSEXESSXMDEXDS0N/APrefix Type: RBOC
Switch Name: ESSEX
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-777-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212ESSEXESSXMDEXDS0N/APrefix Type: RBOC
Switch Name: ESSEX
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-777-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212ESSEXESSXMDEXDS0N/APrefix Type: RBOC
Switch Name: ESSEX
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-777-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212ESSEXESSXMDEXDS0N/APrefix Type: RBOC
Switch Name: ESSEX
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-777-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212ESSEXESSXMDEXDS0N/APrefix Type: RBOC
Switch Name: ESSEX
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-777-9MDCORE COMMUNICATIONS, INC.- MD2593ESSEXNOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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