Input an Area Code (required) followed by the Prefix, or Exchange (optional):
-
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.
npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
903-439TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344SULPHURSPGSLSPTXXADS000/00/0000Prefix Type: RBOC
Switch Name: SULPHUR SPRINGS
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
Thousands block for 903-439
903-439-0TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344SULPHURSPGSLSPTXXADS0N/APrefix Type: RBOC
Switch Name: SULPHUR SPRINGS
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
903-439-1TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344SULPHURSPGSLSPTXXADS0N/APrefix Type: RBOC
Switch Name: SULPHUR SPRINGS
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
903-439-2TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344SULPHURSPGSLSPTXXADS0N/APrefix Type: RBOC
Switch Name: SULPHUR SPRINGS
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
903-439-3TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344SULPHURSPGSLSPTXXADS0N/APrefix Type: RBOC
Switch Name: SULPHUR SPRINGS
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
903-439-4TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344SULPHURSPGSLSPTXXADS0N/APrefix Type: RBOC
Switch Name: SULPHUR SPRINGS
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
903-439-5TXNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)6534SULPHURSPGCRTNTX35G03N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-439-6TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344SULPHURSPGSLSPTXXADS0N/APrefix Type: RBOC
Switch Name: SULPHUR SPRINGS
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
903-439-7TXNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)6534SULPHURSPGCRTNTX35G03N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-439-8TXNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)6534SULPHURSPGCRTNTX35G03N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-439-9TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344SULPHURSPGSLSPTXXADS0N/APrefix Type: RBOC
Switch Name: SULPHUR SPRINGS
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: DLLSTXTA05T
Detailed Switch Info
Member of The Internet Defense League