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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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
409-287TXSOUTHWESTERN BELL9533SOUR LAKESRLKTXSRRS000/00/0000Prefix Type: RBOC
Switch Name: SOUR LAKE
Switch Type: Northern Telecom Remote Switching Center
LATA: Beaumont TX (562)
Tandem: BUMTTXTE03T
Detailed Switch Info
Thousands block for 409-287
409-287-1TXSOUTHWESTERN BELL9533SOUR LAKESRLKTXSRRS0N/APrefix Type: RBOC
Switch Name: SOUR LAKE
Switch Type: Northern Telecom Remote Switching Center
LATA: Beaumont TX (562)
Tandem: BUMTTXTE03T
Detailed Switch Info
409-287-2TXSOUTHWESTERN BELL9533SOUR LAKESRLKTXSRRS0N/APrefix Type: RBOC
Switch Name: SOUR LAKE
Switch Type: Northern Telecom Remote Switching Center
LATA: Beaumont TX (562)
Tandem: BUMTTXTE03T
Detailed Switch Info
409-287-3TXSOUTHWESTERN BELL9533SOUR LAKESRLKTXSRRS0N/APrefix Type: RBOC
Switch Name: SOUR LAKE
Switch Type: Northern Telecom Remote Switching Center
LATA: Beaumont TX (562)
Tandem: BUMTTXTE03T
Detailed Switch Info
409-287-4TXSOUTHWESTERN BELL9533SOUR LAKESRLKTXSRRS0N/APrefix Type: RBOC
Switch Name: SOUR LAKE
Switch Type: Northern Telecom Remote Switching Center
LATA: Beaumont TX (562)
Tandem: BUMTTXTE03T
Detailed Switch Info