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
831-661CAPACIFIC BELL (AT&T)9740APTOSAPTSCA12DS000/00/0000Prefix Type: RBOC
Switch Name: APTOS
Switch Type: WECO 5ESS (Digital)
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 831-661
831-661-0CAPACIFIC BELL (AT&T)9740APTOSAPTSCA12DS0N/APrefix Type: RBOC
Switch Name: APTOS
Switch Type: WECO 5ESS (Digital)
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
831-661-1CAUTILITY TELECOM GROUP, LLC - CA9262APTOSNOCLLIKNOWNN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
831-661-2CAUTILITY TELECOM GROUP, LLC - CA9262APTOSNOCLLIKNOWNN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
831-661-3CAUTILITY TELECOM GROUP, LLC - CA9262APTOSNOCLLIKNOWNN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
831-661-4CAPACIFIC BELL (AT&T)9740APTOSAPTSCA12DS0N/APrefix Type: RBOC
Switch Name: APTOS
Switch Type: WECO 5ESS (Digital)
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
831-661-5CACOMCAST IP PHONE, LLC318JAPTOSNOCLLIKNOWN03/09/2009Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
831-661-6CAXO CALIFORNIA, INC. (Verizon Communications)7262APTOSFRMTCAEDDS201/14/2011Prefix Type: CLEC
Switch Name: FREMONT
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
831-661-7CAPACIFIC BELL (AT&T)9740APTOSAPTSCA12DS0N/APrefix Type: RBOC
Switch Name: APTOS
Switch Type: WECO 5ESS (Digital)
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
831-661-8CAONVOY, LLC - CA (Inteliquent)649CAPTOSNOCLLIKNOWN05/08/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
831-661-9CAONVOY, LLC - CA (Inteliquent)649CAPTOSNOCLLIKNOWN04/20/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
This information is not guaranteed to be accurate. User assumes all risk for any loss or gain resulting from use of this data.
Although I strive for accuracy and prompt updates of changed information, it is possible that there may be errors. If you see one, could you please report it?
Please report all errors, flames, questions, suggestions, and thanks to Paul Timmins
Please see the Frequently Asked Questions page if you have any questions.
Copyright ©2001-2023, Paul Timmins/Timmins Technologies, LLC. All rights reserved
Website Design and User Interface ©2010, Adam Botbyl/Revolutionary Solutions, LLC.
Colocation generously provided by Clear Rate Communications, Inc
Has this site changed your life? Made your job easier? I always love Fanmail and Suggestions.