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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
903-257TXLEVEL 3 COMMUNICATIONS, LLC - TX (Lumen Technologies, Inc)6114CORSICANADLLATX37DS600/00/0000Prefix Type: CLEC
Switch Name: DALLAS
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
Thousands block for 903-257
903-257-0TXIP HORIZON LLC515JCORSICANANOCLLIKNOWN05/07/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-257-1TXLEVEL 3 COMMUNICATIONS, LLC - TX (Lumen Technologies, Inc)6114CORSICANADLLATX37DS6N/APrefix Type: CLEC
Switch Name: DALLAS
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-257-2TXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (Verizon Wireless)6506CORSICANAELSSTX13CM101/13/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-257-3TXLEVEL 3 COMMUNICATIONS, LLC - TX (Lumen Technologies, Inc)6114CORSICANADLLATX37DS603/06/2006Prefix Type: CLEC
Switch Name: DALLAS
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-257-4TXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534CORSICANAELSSTXAEGT604/08/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-257-5TXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534CORSICANAELSSTXAEGT608/14/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-257-6TXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534CORSICANAELSSTXAEGT603/17/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-257-7TXMETROPCS, INC. (T-Mobile US, Inc)5562CORSICANADLLTTX01DMD03/15/2022Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-257-8TXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534CORSICANAELSSTXAEGT603/17/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
903-257-9TXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (Verizon Wireless)6506CORSICANAELSSTX13CM101/13/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
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