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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-343MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325MILLERSVLBLTMMDFMDS000/00/0000Prefix 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 443-343
443-343-0MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119MILLERSVLNOCLLIKNOWN03/13/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-343-1MDUS LEC OF MARYLAND, INC.2589MILLERSVLCLMAMDJTDS006/18/2003Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-343-2MDBANDWIDTH.COM CLEC, LLC - MD071FMILLERSVLNOCLLIKNOWN01/14/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-343-3MDCORE COMMUNICATIONS, INC.- MD2593MILLERSVLNOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-343-4MDTERRA NOVA TELECOM INC.145JMILLERSVLNOCLLIKNOWN12/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-343-5MDPAETEC COMMUNICATIONS, INC. - (Windstream Communications)4716MILLERSVLBLTMMDCHW2904/24/2006Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-343-6MDONVOY SPECTRUM, LLC (Inteliquent)624HMILLERSVLNOCLLIKNOWN04/23/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-343-7MDBANDWIDTH.COM CLEC, LLC - MD071FMILLERSVLNOCLLIKNOWN06/28/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-343-8MDBANDWIDTH.COM CLEC, LLC - MD071FMILLERSVLNOCLLIKNOWN12/14/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-343-9MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325MILLERSVLBLTMMDFMDS0N/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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