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
435-743UTCITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT (Frontier Communications)4429FILLMOREFLMRUTXCDS000/00/0000Prefix Type: ICO
Switch Name: FILLMORE
Switch Type: Northern Telecom DMS10 Host Switching Office
LATA: Utah (660)
Tandem: N/A
Detailed Switch Info
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