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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-784MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ARGRGBSNISBLTMMDFMDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-784
443-784-0MDIP HORIZON LLC515JARGRGBSNISNOCLLIKNOWN08/12/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN12/29/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN04/11/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228ARGRGBSNISBLTOMDKHDS009/11/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-4MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ARGRGBSNISBLTMMDFMDS010/21/2004Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN04/11/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN04/11/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN04/25/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN07/12/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-784-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN12/29/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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