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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
806-421TXLEVEL 3 COMMUNICATIONS, LLC - TX (CenturyLink, Inc)6114DUMASAMRLTXDRSMD11/13/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Amarillo TX (546)
Tandem: N/A
Detailed Switch Info
Thousands block for 806-421
806-421-0TXLEVEL 3 COMMUNICATIONS, LLC - TX (CenturyLink, Inc)6114DUMASAMRLTXDRSMD11/14/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Amarillo TX (546)
Tandem: N/A
Detailed Switch Info
806-421-1TXT-MOBILE USA, INC. (T-Mobile US, Inc)6529DUMASAMRLTX02X1Y02/02/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Amarillo TX (546)
Tandem: N/A
Detailed Switch Info
806-421-2TXLEVEL 3 COMMUNICATIONS, LLC - TX (CenturyLink, Inc)6114DUMASAMRLTXDRSMD03/15/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Amarillo TX (546)
Tandem: N/A
Detailed Switch Info
806-421-3TXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (Verizon Wireless)6506DUMASAMRLTXJW1MD09/02/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: Cellular Mobile Carrier Switching System
LATA: Amarillo TX (546)
Tandem: N/A
Detailed Switch Info
806-421-4TXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534DUMASAMRLTX9843Z12/21/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Amarillo TX (546)
Tandem: N/A
Detailed Switch Info
806-421-5TXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534DUMASAMRLTX9843Z03/31/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Amarillo TX (546)
Tandem: N/A
Detailed Switch Info
806-421-6TXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (Verizon Wireless)6506DUMASAMRLTXJW1MD11/20/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: Cellular Mobile Carrier Switching System
LATA: Amarillo TX (546)
Tandem: N/A
Detailed Switch Info
806-421-7TXTELEPORT COMMUNICATIONS AMERICA, LLC - TX (AT&T)7148DUMASNOCLLIKNOWN03/13/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Amarillo TX (546)
Tandem: N/A
Detailed Switch Info
806-421-8TXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (Verizon Wireless)6506DUMASAMRLTXJW1MD04/15/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: Cellular Mobile Carrier Switching System
LATA: Amarillo TX (546)
Tandem: N/A
Detailed Switch Info
806-421-9TXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (Verizon Wireless)6506DUMASAMRLTXJW1MD04/15/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: Cellular Mobile Carrier Switching System
LATA: Amarillo TX (546)
Tandem: N/A
Detailed Switch Info