Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

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

npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
803-210SCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)N/A9417COLUMBIACLMASCBQRS100/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom Remote Switching Center
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCBQRS1))
🕘 Prefix History
🔎 Explore Carrier Information
803-210 is split into 1,000-number blocks - detail below
803-210-2XXXSCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)N/A9417COLUMBIACLMASCBQRS1N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom Remote Switching Center
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCBQRS1))
🕘 Prefix History
🔎 Explore Carrier Information
803-210-3XXXSCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)N/A9417COLUMBIACLMASCBQRS1N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom Remote Switching Center
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCBQRS1))
🕘 Prefix History
🔎 Explore Carrier Information
803-344SCBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL (Bellsouth)N/A9417COLUMBIACLMASCBQRS100/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: Northern Telecom Remote Switching Center
LATA: Columbia SC (434)
Tandem: N/A
🔧 Explore Switch(CLLI: CLMASCBQRS1))
🕘 Prefix History
🔎 Explore Carrier Information
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