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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-505MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ESSEXBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-505
443-505-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ESSEXNOCLLIKNOWN04/21/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-505-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ESSEXNOCLLIKNOWN04/21/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-505-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ESSEXNOCLLIKNOWN12/01/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-505-3MDCOMCAST IP PHONE, LLC (Comcast)318JESSEXNOCLLIKNOWN03/10/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-505-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ESSEXNOCLLIKNOWN12/27/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-505-6MDBANDWIDTH.COM CLEC, LLC - MD071FESSEXNOCLLIKNOWN09/19/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-505-7MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ESSEXNOCLLIKNOWN05/06/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-505-8MDCOMCAST IP PHONE, LLC (Comcast)318JESSEXNOCLLIKNOWN08/28/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-505-9MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855ESSEXNOCLLIKNOWN09/10/2019Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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