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
925-246CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 925-246
925-246-0CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-246-1CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-246-4CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-246-6CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-246-7CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-246-8CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-246-9CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-363CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-521CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 925-521
925-521-0CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-521-1CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-521-2CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-521-3CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-521-5CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-521-7CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-521-9CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-602CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-609CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 925-609
925-609-0CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-609-1CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-609-2CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-609-3CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-609-5CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-609-6CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-609-7CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-609-8CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-609-9CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-677CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 925-677
925-677-0CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-677-2CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-677-3CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-677-4CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-677-5CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-677-6CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-677-7CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-687CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-688CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 925-688
925-688-0CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-688-1CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-688-2CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-688-3CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-688-4CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-688-5CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-688-7CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-688-8CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-688-9CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-689CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-691CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-692CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-798CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-808CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 925-808
925-808-2CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-808-4CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-808-6CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-825CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
925-969CAPACIFIC BELL (AT&T)9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
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