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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
810-385MIMICHIGAN BELL TEL CO (AT&T)9323PORT HURONPTHRMINRRSA00/00/0000Prefix Type: RBOC
Switch Name: PORT HURON NR
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info