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
707-786CACITIZENS TELECOM CA. DBA FRONTIER COM OF CA (Frontier Communications)2308FERNDALEFNDLCAXFDS000/00/0000Prefix Type: ICO
Switch Name: FERNDALE
Switch Type: Stromberg Carlson DCO Digital
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 707-786
707-786-0CACITIZENS TELECOM CA. DBA FRONTIER COM OF CA (Frontier Communications)2308FERNDALEFNDLCAXFDS0N/APrefix Type: ICO
Switch Name: FERNDALE
Switch Type: Stromberg Carlson DCO Digital
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-786-4CACITIZENS TELECOM CA. DBA FRONTIER COM OF CA (Frontier Communications)2308FERNDALEFNDLCAXFDS0N/APrefix Type: ICO
Switch Name: FERNDALE
Switch Type: Stromberg Carlson DCO Digital
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-786-5CACITIZENS TELECOM CA. DBA FRONTIER COM OF CA (Frontier Communications)2308FERNDALEFNDLCAXFDS0N/APrefix Type: ICO
Switch Name: FERNDALE
Switch Type: Stromberg Carlson DCO Digital
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-786-9CACITIZENS TELECOM CA. DBA FRONTIER COM OF CA (Frontier Communications)2308FERNDALEFNDLCAXFDS0N/APrefix Type: ICO
Switch Name: FERNDALE
Switch Type: Stromberg Carlson DCO Digital
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info