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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
903-421TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344SHERMANSHMNTXXADS002/22/2001Prefix Type: RBOC
Switch Name: SHERMAN
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: SHMNTXXA02T
Detailed Switch Info
Thousands block for 903-421
903-421-0TXFRONTIER SOUTHWEST INC DBA FRO (Verizon Communications)4344SHERMANSHMNTXXADS0N/APrefix Type: RBOC
Switch Name: SHERMAN
Switch Type: GTD5EAX
LATA: Dallas TX (552)
Tandem: SHMNTXXA02T
Detailed Switch Info
903-421-1TXCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6506SHERMANDLLSTXJFDMD07/14/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-421-2TXCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6506SHERMANDLLSTXJFDMD05/03/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-421-3TXCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6506SHERMANDLLSTXJFDMD08/01/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-421-4TXCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6506SHERMANDLLSTXJFDMD05/15/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-421-5TXMETROPCS, INC. (T-Mobile US, Inc)5562SHERMANNOCLLIKNOWN07/19/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-421-6TXCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6506SHERMANDLLSTXJFDMD01/02/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-421-7TXMETROPCS, INC. (T-Mobile US, Inc)5562SHERMANNOCLLIKNOWN04/02/2008Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-421-8TXCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6506SHERMANDLLSTXJFDMD09/29/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-421-9TXPEERLESS NETWORK OF TEXAS, LLC177FSHERMANNOCLLIKNOWN03/29/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
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