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
415-221CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS000/00/0000Prefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-379CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS000/00/0000Prefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 415-379
415-379-1CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-379-2CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-379-3CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-379-5CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-379-6CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-379-7CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-379-8CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-379-9CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-386CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS000/00/0000Prefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-387CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS000/00/0000Prefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-422CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS000/00/0000Prefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 415-422
415-422-0CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-422-1CASONIC TELECOM, LLC - CA433ESNFC MT-EVSNFCCA13DS002/09/2023Prefix Type: CLEC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-422-2CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-422-3CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-422-4CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-422-5CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-422-6CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-422-7CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-422-8CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-666CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS000/00/0000Prefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 415-666
415-666-0CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-666-1CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-666-3CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-666-4CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-666-7CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-666-8CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-666-9CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-668CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS000/00/0000Prefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-750CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS000/00/0000Prefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-751CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS000/00/0000Prefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-752CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS000/00/0000Prefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-831CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS000/00/0000Prefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 415-831
415-831-0CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-831-1CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-831-2CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-831-3CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-831-4CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-831-5CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-831-6CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-831-8CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-831-9CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-876CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS000/00/0000Prefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 415-876
415-876-0CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-876-2CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-876-3CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-876-4CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-876-6CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-876-7CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-933CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS000/00/0000Prefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 415-933
415-933-6CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
415-933-8CAPACIFIC BELL (AT&T)9740SNFC MT-EVSNFCCA13DS0N/APrefix Type: RBOC
Switch Name: SAN FRANCISCO
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
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