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
805-524CAPACIFIC BELL (AT&T)9740FILLMOREFLMRCA11DS100/00/0000Prefix Type: RBOC
Switch Name: FILLMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Los Angeles CA (730)
Tandem: N/A
Detailed Switch Info