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
707-928CAPACIFIC BELL (AT&T)9740COBB MTCBMTCA11RS000/00/0000Prefix Type: RBOC
Switch Name: COBB MOUNTAIN
Switch Type: Northern Telecom Remote Switching Center
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 707-928
707-928-0CAPACIFIC BELL (AT&T)9740COBB MTCBMTCA11RS0N/APrefix Type: RBOC
Switch Name: COBB MOUNTAIN
Switch Type: Northern Telecom Remote Switching Center
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-928-1CAPACIFIC BELL (AT&T)9740COBB MTCBMTCA11RS0N/APrefix Type: RBOC
Switch Name: COBB MOUNTAIN
Switch Type: Northern Telecom Remote Switching Center
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-928-4CAPACIFIC BELL (AT&T)9740COBB MTCBMTCA11RS0N/APrefix Type: RBOC
Switch Name: COBB MOUNTAIN
Switch Type: Northern Telecom Remote Switching Center
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-928-5CAPACIFIC BELL (AT&T)9740COBB MTCBMTCA11RS0N/APrefix Type: RBOC
Switch Name: COBB MOUNTAIN
Switch Type: Northern Telecom Remote Switching Center
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-928-6CATERRA NOVA TELECOM INC.145JCOBB MTCBMTCA11RS012/08/2020Prefix Type: IPES
Switch Name: COBB MOUNTAIN
Switch Type: Northern Telecom Remote Switching Center
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-928-9CAPACIFIC BELL (AT&T)9740COBB MTCBMTCA11RS0N/APrefix Type: RBOC
Switch Name: COBB MOUNTAIN
Switch Type: Northern Telecom Remote Switching Center
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
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