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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-221MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ANNAPOLISBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-221
443-221-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ANNAPOLISCLMAMDORGT002/10/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-221-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ANNAPOLISCLMAMDORGT002/10/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-221-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ANNAPOLISBLTMMDSN6MD07/08/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-221-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ANNAPOLISCLMAMDORGT002/10/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-221-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ANNAPOLISBLTMMDSN6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-221-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ANNAPOLISCLMAMDORGT002/10/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-221-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119ANNAPOLISBLTMMDSN6MD12/31/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-221-7MDCOMCAST IP PHONE, LLC (Comcast)318JANNAPOLISBLTMMDCHXFX06/15/2011Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-221-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395ANNAPOLISBLTOMDKHBMD07/05/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-221-9MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395ANNAPOLISBLTOMDKHBMD07/05/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info