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
406-527MTNEMONT TEL COOP INC2247SACOSACOMTXCRS100/00/0000Prefix Type: ICO
Switch Name: SACO
Switch Type: Northern Telecom DMS10 RSLE
LATA: Billings MT (650)
Tandem: N/A
Detailed Switch Info
Thousands block for 406-527
406-527-3MTNEMONT TEL COOP INC2247SACOSACOMTXCRS1N/APrefix Type: ICO
Switch Name: SACO
Switch Type: Northern Telecom DMS10 RSLE
LATA: Billings MT (650)
Tandem: N/A
Detailed Switch Info