Input an Area Code (required) followed by the Prefix, or Exchange (optional):
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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
972-586TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344DLFTWTARPTDFIATXXADS000/00/0000Prefix Type: RBOC
Switch Name: DFW AIRPORT
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
Thousands block for 972-586
972-586-0TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344DLFTWTARPTDFIATXXADS0N/APrefix Type: RBOC
Switch Name: DFW AIRPORT
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-586-1TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344DLFTWTARPTDFIATXXADS0N/APrefix Type: RBOC
Switch Name: DFW AIRPORT
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-586-2TXONVOY, LLC - TX (Inteliquent)903CDLFTWTARPTNOCLLIKNOWN10/27/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
972-586-3TXONVOY SPECTRUM, LLC (Inteliquent)624HDLFTWTARPTDLLSTXTAXTZ03/28/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
972-586-4TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344DLFTWTARPTDFIATXXADS0N/APrefix Type: RBOC
Switch Name: DFW AIRPORT
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-586-5TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344DLFTWTARPTDFIATXXADS0N/APrefix Type: RBOC
Switch Name: DFW AIRPORT
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-586-6TXFRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS (Frontier Communications)4344DLFTWTARPTDFIATXXADS0N/APrefix Type: RBOC
Switch Name: DFW AIRPORT
Switch Type: NTDMS100
LATA: Dallas TX (552)
Tandem: IRNGTXXB01T
Detailed Switch Info
972-586-7TXXO TEXAS, INC. (Verizon Communications)8958DLFTWTARPTDLLSTXSQDS205/02/2005Prefix Type: CLEC
Switch Name: DALLAS
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
972-586-8TXXO TEXAS, INC. (Verizon Communications)8958DLFTWTARPTDLLSTXSQDS205/02/2005Prefix Type: CLEC
Switch Name: DALLAS
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
972-586-9TXXO TEXAS, INC. (Verizon Communications)8958DLFTWTARPTDLLSTXSQDS205/02/2005Prefix Type: CLEC
Switch Name: DALLAS
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
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