Warning: site is in maintainance mode, data may not be accurate and some queries may not work!
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
510-313CATELEPORT COMMUNICATIONS AMERICA, LLC - CA (AT&T)N/A7145HRCUL-RODESNRSCA01KMD00/00/0000Prefix Type: CLEC
Switch Name: SANTA ROSA
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: SNRSCA01KMD))
510-313 is split into 1,000-number blocks - detail below
510-313-0XXXCACOMCAST IP PHONE, LLCN/A318JHRCUL-RODENOCLLIKNOWNN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
510-313-1XXXCAONVOY, LLC - CAN/A649CHRCUL-RODENOCLLIKNOWN09/20/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
510-313-2XXXCAONVOY, LLC - CAN/A649CHRCUL-RODENOCLLIKNOWN03/13/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
510-313-3XXXCAT-MOBILE USA, INC.N/A6529HRCUL-RODENOCLLIKNOWN12/13/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
510-313-4XXXCACOMCAST IP PHONE, LLCN/A318JHRCUL-RODENOCLLIKNOWN09/13/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
510-313-5XXXCAONVOY, LLC - CAN/A649CHRCUL-RODENOCLLIKNOWN07/31/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
510-313-6XXXCAONVOY, LLC - CAN/A649CHRCUL-RODENOCLLIKNOWN07/31/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
510-313-7XXXCAONVOY, LLC - CAN/A649CHRCUL-RODENOCLLIKNOWN07/31/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
510-313-8XXXCAT-MOBILE USA, INC.N/A6529HRCUL-RODENOCLLIKNOWN02/02/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
510-313-9XXXCATELEPORT COMMUNICATIONS AMERICA, LLC - CAN/A7145HRCUL-RODESNRSCA01KMD N/APrefix Type: WIRELESS
Switch Name: SANTA ROSA
Switch Type: N/A
LATA: N/A
Tandem: N/A
🔧 Explore Switch(CLLI: SNRSCA01KMD ))