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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
281-231TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS001/20/2004Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 281-231
281-231-0TXIP HORIZON LLC515JWESTFIELDNOCLLIKNOWN12/09/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-231-1TXSOUTHWESTERN BELL9533WESTFIELDHSTNTXWEDS001/22/2004Prefix Type: RBOC
Switch Name: HOUSTON WESTFIELD
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-231-2TXMCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX (Verizon Communications)7239WESTFIELDHSTOTXRWDS001/28/2008Prefix Type: CLEC
Switch Name: HOUSTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-231-3TXMCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX (Verizon Communications)7239WESTFIELDHSTOTX46DS003/06/2008Prefix Type: CLEC
Switch Name: HOUSTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-231-4TXMCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX (Verizon Communications)7239WESTFIELDHSTOTX46DS003/06/2008Prefix Type: CLEC
Switch Name: HOUSTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-231-5TXMCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX (Verizon Communications)7239WESTFIELDHSTOTX46DS003/06/2008Prefix Type: CLEC
Switch Name: HOUSTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-231-6TXMCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX (Verizon Communications)7239WESTFIELDHSTOTX46DS003/06/2008Prefix Type: CLEC
Switch Name: HOUSTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-231-7TXMCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX (Verizon Communications)7239WESTFIELDHSTOTX46DS003/06/2008Prefix Type: CLEC
Switch Name: HOUSTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-231-8TXBANDWIDTH.COM CLEC, LLC - TX004FWESTFIELDNOCLLIKNOWN08/06/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
281-231-9TXLEVEL 3 COMMUNICATIONS, LLC - TX (Lumen Technologies, Inc)6114WESTFIELDNOCLLIKNOWN10/27/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info