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
307-878WYRANGE TEL COOP INC2251SO ALZADAALZDMTXCRS100/00/0000Prefix Type: ICO
Switch Name: ALZADA
Switch Type: Northern Telecom DMS10 RLCM
LATA: Billings MT (650)
Tandem: N/A
Detailed Switch Info
406-828MTRANGE TEL COOP INC2251ALZADAALZDMTXCRS100/00/0000Prefix Type: ICO
Switch Name: ALZADA
Switch Type: Northern Telecom DMS10 RLCM
LATA: Billings MT (650)
Tandem: N/A
Detailed Switch Info
Thousands block for 406-828
406-828-4MTRANGE TEL COOP INC2251ALZADAALZDMTXCRS1N/APrefix Type: ICO
Switch Name: ALZADA
Switch Type: Northern Telecom DMS10 RLCM
LATA: Billings MT (650)
Tandem: N/A
Detailed Switch Info
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