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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-663MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS000/00/0000Prefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-663
443-663-0MDBALTIMORE-WASHINGTON TELEPHONE8697WOODLAWNNOCLLIKNOWN05/27/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-1MDXO MARYLAND, LLC (Verizon Communications)4773WOODLAWNBLTMMDSNDS510/23/2013Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-2MDCORE COMMUNICATIONS, INC.- MD2593WOODLAWNWDLWMDWLDS004/15/2019Prefix Type: CLEC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-3MDONVOY, LLC - MD (Inteliquent)876DWOODLAWNNOCLLIKNOWN02/15/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-4MDONVOY, LLC - MD (Inteliquent)876DWOODLAWNNOCLLIKNOWN09/22/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-5MDONVOY, LLC - MD (Inteliquent)876DWOODLAWNNOCLLIKNOWN02/15/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-7MDCENTURYLINK COMMUNICATIONS, LL (CenturyLink, Inc)508JWOODLAWNBLTMMDDN2MD05/23/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WOODLAWNWDLWMDWLDS0N/APrefix Type: RBOC
Switch Name: WOODLAWN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-663-9MDLOCAL ACCESS LLC - MD082HWOODLAWNNOCLLIKNOWN05/03/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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