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
707-277CAPACIFIC BELL (AT&T)9740KELSEYVLLWLKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: LOWER LAKE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 707-277
707-277-0CAPACIFIC BELL (AT&T)9740KELSEYVLLWLKCA11DS0N/APrefix Type: RBOC
Switch Name: LOWER LAKE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-277-7CAPACIFIC BELL (AT&T)9740KELSEYVLLWLKCA11DS0N/APrefix Type: RBOC
Switch Name: LOWER LAKE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-277-9CAPACIFIC BELL (AT&T)9740KELSEYVLLWLKCA11DS0N/APrefix Type: RBOC
Switch Name: LOWER LAKE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-994CAPACIFIC BELL (AT&T)9740LOWER LAKELWLKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: LOWER LAKE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-995CAPACIFIC BELL (AT&T)9740LOWER LAKELWLKCA11DS000/00/0000Prefix Type: RBOC
Switch Name: LOWER LAKE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
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