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
712-375IAFRONTIER COMMUNICATIONS OF IOWA, INC. (Frontier Communications)1127PIERSONPRSNIAXORS300/00/0000Prefix Type: ICO
Switch Name: PIERSON
Switch Type: Northern Telecom DMS10 RSLE
LATA: Sioux City IA (630)
Tandem: N/A
Detailed Switch Info
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