Input an Area Code (required) followed by the Prefix, or Exchange (optional):
-
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.
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 COR7982DAYTONNOCLLIKNOWN02/15/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
Detailed Switch Info
936-257-7TXINTRADO COMMUNICATIONS, LLC683GDAYTONNOCLLIKNOWN10/29/2010Prefix 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
Member of The Internet Defense League