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
605-604SDMIDCO VOICE, LLC858JBRANDONSXFLSDPS9MD12/08/2021Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: South Dakota (640)
Tandem: N/A
Detailed Switch Info
Thousands block for 605-604
605-604-0SDMIDCO VOICE, LLC858JBRANDONSXFLSDPS9MD12/08/2021Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: South Dakota (640)
Tandem: N/A
Detailed Switch Info
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