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
530-432CAPACIFIC BELL (AT&T)9740GRVY MAINGRVYCA12DS000/00/0000Prefix Type: RBOC
Switch Name: GRASS VALLEY (PENN VALLEY)
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Sacramento CA (726)
Tandem: N/A
Detailed Switch Info
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