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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-441MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325GLENWOODBLTMMDFMDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-441
443-441-0MDPEERLESS NETWORK OF MARYLAND, 568GGLENWOODNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-1MDPEERLESS NETWORK OF MARYLAND, 568GGLENWOODNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-2MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119GLENWOODNOCLLIKNOWN09/22/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-3MDTELNYX LLC073HGLENWOODNOCLLIKNOWN04/14/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-4MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-5MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228GLENWOODBLTOMDKHDS001/10/2018Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-6MDCORE COMMUNICATIONS, INC.- MD2593GLENWOODNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-7MDCENTURYLINK COMMUNICATIONS, LL (CenturyLink, Inc)508JGLENWOODBLTMMDDN2MD05/14/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-8MDLOCAL ACCESS LLC - MD082HGLENWOODNOCLLIKNOWN05/03/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-441-9MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325GLENWOODBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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