Input an Area Code (required) followed by the Prefix, or Exchange (optional):
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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
940-312TXSOUTHWESTERN BELL TELEPHONE COMPANY - TX7726DENTONFRSCTXESDS001/05/2006Prefix Type: CLEC
Switch Name: Frisco Essex
Switch Type: WECO 5ESS (Digital)
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
Thousands block for 940-312
940-312-0TXSOUTHWESTERN BELL TELEPHONE COMPANY - TX7726DENTONFRSCTXESDS0N/APrefix Type: CLEC
Switch Name: Frisco Essex
Switch Type: WECO 5ESS (Digital)
LATA: Dallas TX (552)
Tandem: DLLSTXRI01T
Detailed Switch Info
940-312-1TXBANDWIDTH.COM CLEC, LLC - TX004FDENTONNOCLLIKNOWN08/05/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
940-312-2TXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534DENTONCRTNTX35G0301/18/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
940-312-3TXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534DENTONCRTNTX35G0301/18/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
940-312-4TXTERRA NOVA TELECOM INC.145JDENTONNOCLLIKNOWN07/05/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
940-312-5TXLEVEL 3 COMMUNICATIONS, LLC - TX (CenturyLink, Inc)6114DENTONNOCLLIKNOWN05/01/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
940-312-6TXLEVEL 3 COMMUNICATIONS, LLC - TX (CenturyLink, Inc)6114DENTONNOCLLIKNOWN06/22/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
940-312-7TXLEVEL 3 COMMUNICATIONS, LLC - TX (CenturyLink, Inc)6114DENTONNOCLLIKNOWN07/15/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
940-312-8TXT-MOBILE USA, INC. (T-Mobile US, Inc)6529DENTONDLLTTX01HMD03/05/2008Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
940-312-9TXT-MOBILE USA, INC. (T-Mobile US, Inc)6529DENTONDLLTTX01HMD01/08/2008Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
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