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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-933MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325COCKEYSVLCLMAMDNIDS104/20/2004Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-933
443-933-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395COCKEYSVLBLTMMDSNDS510/30/2015Prefix Type: WIRELESS
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-933-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395COCKEYSVLBLTMMDSNDS509/07/2018Prefix Type: WIRELESS
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-933-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395COCKEYSVLBLTMMDSNDS509/07/2018Prefix Type: WIRELESS
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-933-3MDBALTIMORE-WASHINGTON TELEPHONE (BWT)8697COCKEYSVLNOCLLIKNOWN05/12/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-933-4MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325COCKEYSVLCLMAMDNIDS104/21/2004Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-933-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395COCKEYSVLBLTMMDSNDS509/07/2018Prefix Type: WIRELESS
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-933-6MDCORE COMMUNICATIONS, INC.- MD2593COCKEYSVLNOCLLIKNOWN07/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-933-7MDCORE COMMUNICATIONS, INC.- MD2593COCKEYSVLNOCLLIKNOWN07/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-933-8MDONVOY, LLC - MD (Inteliquent)876DCOCKEYSVLNOCLLIKNOWN12/15/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-933-9MDONVOY, LLC - MD (Inteliquent)876DCOCKEYSVLNOCLLIKNOWN12/15/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info