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.

🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
650-397CABANDWIDTH.COM CLEC, LLC - CA0017042060RMD0003709981ELOS ALTOSSNFCCA21XUY00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: SNFCCA21XUY))
650-397 is split into 1,000-number blocks - detail below
650-397-0XXXCAT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529LOS ALTOSCNCRCALZ0MD10/29/2015Prefix Type: PCS
Switch Name: CONCORD
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: CNCRCALZ0MD))
650-397-1XXXCABANDWIDTH.COM CLEC, LLC - CA0017042060RMD0003709981ELOS ALTOSSNFCCA21XUY04/27/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: SNFCCA21XUY))
650-397-2XXXCABANDWIDTH.COM CLEC, LLC - CA0017042060RMD0003709981ELOS ALTOSSNFCCA21XUY04/27/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: SNFCCA21XUY))
650-397-3XXXCALEVEL 3 TELECOM OF CALIFORNIA, LP - CA (Lumen Technologies, Inc)0004351110RMD00060627718LOS ALTOSNOCLLIKNOWN06/14/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
650-397-4XXXCAPEERLESS NETWORK OF CALIFORNIA, LLC - CAN/A373FLOS ALTOSNOCLLIKNOWN03/08/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
650-397-5XXXCACOMCAST PHONE OF CALIFORNIA, LLCN/A394LLOS ALTOSOKLDCA03XOY09/07/2011Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: OKLDCA03XOY))
650-397-6XXXCALEVEL 3 COMMUNICATIONS, LLC - CA (Lumen Technologies, Inc)0015338122RMD00061128826LOS ALTOSNOCLLIKNOWN07/09/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
650-397-7XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CLOS ALTOSNOCLLIKNOWN10/13/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
650-397-8XXXCABANDWIDTH.COM CLEC, LLC - CA0017042060RMD0003709981ELOS ALTOSSNFCCA21XUY08/03/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: SNFCCA21XUY))
650-397-9XXXCALEVEL 3 COMMUNICATIONS, LLC - CA (Lumen Technologies, Inc)0015338122RMD00061128826LOS ALTOSNOCLLIKNOWN05/28/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))