Looking up a complete telephone number? Try Number Sleuth, a simplified interface for this lookup.

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
279-880CA8X8, INC. (8x8 Inc.)N/AN/A193ESCRM MAINNOCLLIKNOWN05/20/2026Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Sacramento CA (726)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
279-880 is split into 1,000-number blocks - detail below
279-880-0XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CSCRM MAINNOCLLIKNOWN06/30/2026Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Sacramento CA (726)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
279-880-1XXXCA8X8, INC. (8x8 Inc.)N/AN/A193ESCRM MAINNOCLLIKNOWN05/20/2026Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Sacramento CA (726)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
279-880-7XXXCAEXIANT COMMUNICATIONS LLC0026646844RMD0006925114JSCRM MAINNOCLLIKNOWN08/11/2026Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Sacramento CA (726)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
279-880-8XXXCAEXIANT COMMUNICATIONS LLC0026646844RMD0006925114JSCRM MAINNOCLLIKNOWN08/11/2026Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Sacramento CA (726)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
279-880-9XXXCAEXIANT COMMUNICATIONS LLC0026646844RMD0006925114JSCRM MAINNOCLLIKNOWN08/11/2026Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Sacramento CA (726)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information