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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
936-257TXSOUTHWESTERN BELL9533DAYTONDYTNTXDYPSA00/00/0000Prefix Type: RBOC
Switch Name: DAYTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
Thousands block for 936-257
936-257-0TXSOUTHWESTERN BELL9533DAYTONDYTNTXDYPSAN/APrefix Type: RBOC
Switch Name: DAYTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
936-257-1TXSOUTHWESTERN BELL9533DAYTONDYTNTXDYPSAN/APrefix Type: RBOC
Switch Name: DAYTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
936-257-2TXMETROPCS, INC. (T-Mobile US, Inc)5562DAYTONNOCLLIKNOWN11/30/2016Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
936-257-3TXMETROPCS, INC. (T-Mobile US, Inc)5562DAYTONNOCLLIKNOWN05/09/2018Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
936-257-4TXSOUTHWESTERN BELL9533DAYTONDYTNTXDYPSAN/APrefix Type: RBOC
Switch Name: DAYTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
936-257-5TXAT&T CORP. (AT&T)516CDAYTONNOCLLIKNOWN01/07/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
936-257-6TXCAPROCK TELECOMMUNICATIONS CORP. - TX7982DAYTONNOCLLIKNOWN02/15/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
936-257-7TXONVOY, LLC - TX (Inteliquent)903CDAYTONNOCLLIKNOWN10/29/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
936-257-8TXSOUTHWESTERN BELL9533DAYTONDYTNTXDYPSAN/APrefix Type: RBOC
Switch Name: DAYTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
936-257-9TXSOUTHWESTERN BELL9533DAYTONDYTNTXDYPSAN/APrefix Type: RBOC
Switch Name: DAYTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
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