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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-774MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228CROFTONBLTOMDKHDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-774
410-774-0MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119CROFTONNOCLLIKNOWN02/23/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-774-1MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119CROFTONNOCLLIKNOWN02/23/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-774-2MDVDL, INC. DBA GLOBAL TELECOM B4492CROFTONNOCLLIKNOWN01/21/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-774-3MDCORE COMMUNICATIONS, INC.- MD2593CROFTONNOCLLIKNOWN04/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-774-4MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119CROFTONNOCLLIKNOWN07/29/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-774-5MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119CROFTONNOCLLIKNOWN02/01/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-774-6MDBANDWIDTH.COM CLEC, LLC - MD071FCROFTONNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-774-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212CROFTONCOTNMDCRDS009/19/2005Prefix Type: RBOC
Switch Name: CROFTON
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-774-8MDATX TELECOMMUNICATIONS SERVICE2217CROFTONNOCLLIKNOWN02/03/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-774-9MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228CROFTONBLTOMDKHDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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