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
918-288OKSOUTHWESTERN BELL9533SPERRYTULSOKSPRS200/00/0000Prefix Type: RBOC
Switch Name: SPERRY
Switch Type: Northern Telecom Remote Switching Center
LATA: N/A
Tandem: TULSOKTB03T
Detailed Switch Info
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