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
415-488CAPACIFIC BELL (AT&T)9740SAN RAFAELSNGNCA11RS000/00/0000Prefix Type: RBOC
Switch Name: SAN GERONIMO
Switch Type: Northern Telecom Remote Switching Center
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 415-488
415-488-0CAPACIFIC BELL (AT&T)9740SAN RAFAELSNGNCA11RS0N/APrefix Type: RBOC
Switch Name: SAN GERONIMO
Switch Type: Northern Telecom Remote Switching Center
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-488-1CAPACIFIC BELL (AT&T)9740SAN RAFAELSNGNCA11RS0N/APrefix Type: RBOC
Switch Name: SAN GERONIMO
Switch Type: Northern Telecom Remote Switching Center
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-488-4CAPACIFIC BELL (AT&T)9740SAN RAFAELSNGNCA11RS0N/APrefix Type: RBOC
Switch Name: SAN GERONIMO
Switch Type: Northern Telecom Remote Switching Center
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-488-9CAPACIFIC BELL (AT&T)9740SAN RAFAELSNGNCA11RS0N/APrefix Type: RBOC
Switch Name: SAN GERONIMO
Switch Type: Northern Telecom Remote Switching Center
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
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