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.

๐Ÿ”Ž Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
831-257CAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CAPTOSSNFCCA21X8Y10/07/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: SNFCCA21X8Y))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
831-257 is split into 1,000-number blocks - detail below
831-257-0XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CAPTOSSNFCCA21X8Y10/11/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: SNFCCA21X8Y))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
831-257-1XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CAPTOSSNFCCA21X8Y10/11/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: SNFCCA21X8Y))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
831-257-2XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CAPTOSSNFCCA21X8Y10/11/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: SNFCCA21X8Y))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
831-257-3XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CAPTOSSNFCCA21X8Y10/11/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: SNFCCA21X8Y))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
831-257-4XXXCACOMCAST PHONE OF CALIFORNIA, LLC (Comcast Corporation)N/A394LAPTOSNOCLLIKNOWN08/27/2019Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: NOCLLIKNOWN))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
831-257-5XXXCAONVOY SPECTRUM, LLC (Sinch AB)0024415002RMD0002045624HAPTOSNOCLLIKNOWN06/17/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: NOCLLIKNOWN))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
831-257-6XXXCAONVOY SPECTRUM, LLC (Sinch AB)0024415002RMD0002045624HAPTOSNOCLLIKNOWN06/17/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: NOCLLIKNOWN))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
831-257-7XXXCAONVOY SPECTRUM, LLC (Sinch AB)0024415002RMD0002045624HAPTOSNOCLLIKNOWN06/17/2020Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: NOCLLIKNOWN))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
831-257-8XXXCATELNYX LLC0018998724RMD0001645073HAPTOSNOCLLIKNOWN05/31/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: NOCLLIKNOWN))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information
831-257-9XXXCAONVOY SPECTRUM, LLC (Sinch AB)0024415002RMD0002045624HAPTOSNOCLLIKNOWN04/26/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
๐Ÿ”ง Explore Switch(CLLI: NOCLLIKNOWN))
๐Ÿ•˜ Prefix History
๐Ÿ”Ž Explore Carrier Information