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
830-457TXSOUTHWESTERN BELLN/A9533BIG WELLSBGWLTXBWRS000/00/0000Prefix Type: RBOC
Switch Name: BIG WELLS
Switch Type: Ericsson AXE-RSS (Remote)
LATA: San Antonio TX (566)
Tandem: SNANTXCA03T
🔧 Explore Switch(CLLI: BGWLTXBWRS0))
🕘 Prefix History
🔎 Explore Carrier Information
830-457 is split into 1,000-number blocks - detail below
830-457-1XXXTXSOUTHWESTERN BELLN/A9533BIG WELLSBGWLTXBWRS0N/APrefix Type: RBOC
Switch Name: BIG WELLS
Switch Type: Ericsson AXE-RSS (Remote)
LATA: San Antonio TX (566)
Tandem: SNANTXCA03T
🔧 Explore Switch(CLLI: BGWLTXBWRS0))
🕘 Prefix History
🔎 Explore Carrier Information
830-457-2XXXTXSOUTHWESTERN BELLN/A9533BIG WELLSBGWLTXBWRS0N/APrefix Type: RBOC
Switch Name: BIG WELLS
Switch Type: Ericsson AXE-RSS (Remote)
LATA: San Antonio TX (566)
Tandem: SNANTXCA03T
🔧 Explore Switch(CLLI: BGWLTXBWRS0))
🕘 Prefix History
🔎 Explore Carrier Information
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