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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-972MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ANNAPOLISBLTMMDFMDS000/00/0000Prefix 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 410-972
410-972-0MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ANNAPOLISBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-972-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ANNAPOLISCLMAMDORGT002/10/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-972-2MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ANNAPOLISBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-972-3MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ANNAPOLISBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-972-4MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ANNAPOLISBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-972-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ANNAPOLISCLMAMDORGT007/27/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-972-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ANNAPOLISCLMAMDORGT007/27/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-972-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ANNAPOLISCLMAMDORGT007/27/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-972-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ANNAPOLISCLMAMDORGT007/27/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-972-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ANNAPOLISCLMAMDORGT007/27/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info