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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-423MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119BALTIMOREBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-423
443-423-0MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910BALTIMORENOCLLIKNOWN09/27/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-423-1MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119BALTIMOREBLTMMDSN6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-423-2MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855BALTIMOREBLTMMDCH40Z12/29/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-423-3MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855BALTIMOREBLTMMDCH40Z12/29/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-423-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS208/12/2003Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-423-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS208/12/2003Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-423-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS208/12/2003Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-423-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS208/12/2003Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-423-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS305/06/2004Prefix Type: RBOC
Switch Name: CHARLES STREET 2
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-423-9MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855BALTIMOREBLTMMDCH40Z12/29/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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