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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-620MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WATERLO238CLMAMDNIDS100/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-620
443-620-0MDBANDWIDTH.COM CLEC, LLC - MD071FWATERLO238NOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-1MDONVOY, LLC - MD (Inteliquent)876DWATERLO238NOCLLIKNOWN03/31/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228WATERLO238BLTOMDKHDS005/26/2020Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-3MDBANDWIDTH.COM CLEC, LLC - MD071FWATERLO238NOCLLIKNOWN12/14/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-4MDBANDWIDTH.COM CLEC, LLC - MD071FWATERLO238NOCLLIKNOWN03/07/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-5MDCOMCAST IP PHONE, LLC318JWATERLO238NOCLLIKNOWN12/19/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WATERLO238NOCLLIKNOWN11/07/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-7MDCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JWATERLO238BLTMMDDN2MD03/06/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-8MDBANDWIDTH.COM CLEC, LLC - MD071FWATERLO238NOCLLIKNOWN02/17/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-620-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325WATERLO238CLMAMDNIDS1N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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