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
641-659IAWINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH (Iowa Telecom)1167GRINNELLGRNLIAXCPS006/25/2015Prefix Type: ICO
Switch Name: GRINNELL
Switch Type: N/A
LATA: Des Moines IA (632)
Tandem: N/A
Detailed Switch Info
Thousands block for 641-659
641-659-9IAWINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH (Iowa Telecom)1167GRINNELLGRNLIAXCPS006/29/2015Prefix Type: ICO
Switch Name: GRINNELL
Switch Type: N/A
LATA: Des Moines IA (632)
Tandem: N/A
Detailed Switch Info