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
760-434CAPACIFIC BELL (AT&T)9740OCSD OCSDCRLSCA11DS000/00/0000Prefix Type: RBOC
Switch Name: CARLSBAD (HARDING)
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Diego CA (732)
Tandem: N/A
Detailed Switch Info
760-720CAPACIFIC BELL (AT&T)9740OCSD OCSDCRLSCA11DS000/00/0000Prefix Type: RBOC
Switch Name: CARLSBAD (HARDING)
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Diego CA (732)
Tandem: N/A
Detailed Switch Info
760-729CAPACIFIC BELL (AT&T)9740OCSD OCSDCRLSCA11DS000/00/0000Prefix Type: RBOC
Switch Name: CARLSBAD (HARDING)
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Diego CA (732)
Tandem: N/A
Detailed Switch Info
760-730CAPACIFIC BELL (AT&T)9740OCSD OCSDCRLSCA11DS000/00/0000Prefix Type: RBOC
Switch Name: CARLSBAD (HARDING)
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Diego CA (732)
Tandem: N/A
Detailed Switch Info
Thousands block for 760-730
760-730-0CAPACIFIC BELL (AT&T)9740OCSD OCSDCRLSCA11DS0N/APrefix Type: RBOC
Switch Name: CARLSBAD (HARDING)
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Diego CA (732)
Tandem: N/A
Detailed Switch Info
760-730-1CAPACIFIC BELL (AT&T)9740OCSD OCSDCRLSCA11DS0N/APrefix Type: RBOC
Switch Name: CARLSBAD (HARDING)
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Diego CA (732)
Tandem: N/A
Detailed Switch Info
760-730-3CAPACIFIC BELL (AT&T)9740OCSD OCSDCRLSCA11DS0N/APrefix Type: RBOC
Switch Name: CARLSBAD (HARDING)
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Diego CA (732)
Tandem: N/A
Detailed Switch Info
760-730-4CAPACIFIC BELL (AT&T)9740OCSD OCSDCRLSCA11DS0N/APrefix Type: RBOC
Switch Name: CARLSBAD (HARDING)
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Diego CA (732)
Tandem: N/A
Detailed Switch Info
760-730-7CAPACIFIC BELL (AT&T)9740OCSD OCSDCRLSCA11DS0N/APrefix Type: RBOC
Switch Name: CARLSBAD (HARDING)
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Diego CA (732)
Tandem: N/A
Detailed Switch Info
760-730-9CAPACIFIC BELL (AT&T)9740OCSD OCSDCRLSCA11DS0N/APrefix Type: RBOC
Switch Name: CARLSBAD (HARDING)
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Diego CA (732)
Tandem: N/A
Detailed Switch Info