Input an Area Code (required) followed by the Prefix, or Exchange (optional):
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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-818MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325CATONSVLBLTMMDFMDS000/00/0000Prefix 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 410-818
410-818-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036CATONSVLCLMAMDORGT003/24/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-818-1MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325CATONSVLBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-818-2MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325CATONSVLBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-818-3MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036CATONSVLCLMAMDORGT003/24/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-818-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036CATONSVLCLMAMDORGT003/24/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-818-5MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325CATONSVLBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-818-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036CATONSVLCLMAMDORGT003/24/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-818-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036CATONSVLCLMAMDORGT003/24/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-818-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036CATONSVLCLMAMDORGT003/24/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-818-9MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036CATONSVLCLMAMDORGT003/24/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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