Input an Area Code (required) followed by the Prefix, or Exchange (optional):
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npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
925-609CAPACIFIC BELL (AT&T)N/A9740CONCORDCNCRCA01DS000/00/0000Prefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: CNCRCA01DS0))
925-609 is split into 1,000-number blocks - detail below
925-609-0XXXCAPACIFIC BELL (AT&T)N/A9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: CNCRCA01DS0))
925-609-1XXXCAPACIFIC BELL (AT&T)N/A9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: CNCRCA01DS0))
925-609-2XXXCAPACIFIC BELL (AT&T)N/A9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: CNCRCA01DS0))
925-609-3XXXCAPACIFIC BELL (AT&T)N/A9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: CNCRCA01DS0))
925-609-4XXXCABANDWIDTH.COM CLEC, LLC - CA0017042060RMD0003709981ECONCORDNOCLLIKNOWN02/03/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
925-609-5XXXCAPACIFIC BELL (AT&T)N/A9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: CNCRCA01DS0))
925-609-6XXXCAPACIFIC BELL (AT&T)N/A9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: CNCRCA01DS0))
925-609-7XXXCAPACIFIC BELL (AT&T)N/A9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: CNCRCA01DS0))
925-609-8XXXCAPACIFIC BELL (AT&T)N/A9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: CNCRCA01DS0))
925-609-9XXXCAPACIFIC BELL (AT&T)N/A9740CONCORDCNCRCA01DS0N/APrefix Type: RBOC
Switch Name: CONCORD
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: CNCRCA01DS0))
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