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
707-437CAPACIFIC BELL (AT&T)9740FRFLD-SUISSUISCA11DS000/00/0000Prefix Type: RBOC
Switch Name: SUISUN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 707-437
707-437-0CAPACIFIC BELL (AT&T)9740FRFLD-SUISSUISCA11DS0N/APrefix Type: RBOC
Switch Name: SUISUN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-437-1CAPACIFIC BELL (AT&T)9740FRFLD-SUISSUISCA11DS0N/APrefix Type: RBOC
Switch Name: SUISUN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-437-2CAPACIFIC BELL (AT&T)9740FRFLD-SUISSUISCA11DS0N/APrefix Type: RBOC
Switch Name: SUISUN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-437-3CAPACIFIC BELL (AT&T)9740FRFLD-SUISSUISCA11DS0N/APrefix Type: RBOC
Switch Name: SUISUN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-437-4CAPACIFIC BELL (AT&T)9740FRFLD-SUISSUISCA11DS0N/APrefix Type: RBOC
Switch Name: SUISUN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-437-5CAPACIFIC BELL (AT&T)9740FRFLD-SUISSUISCA11DS0N/APrefix Type: RBOC
Switch Name: SUISUN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-437-7CAPACIFIC BELL (AT&T)9740FRFLD-SUISSUISCA11DS0N/APrefix Type: RBOC
Switch Name: SUISUN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-437-8CAPACIFIC BELL (AT&T)9740FRFLD-SUISSUISCA11DS0N/APrefix Type: RBOC
Switch Name: SUISUN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-439CAPACIFIC BELL (AT&T)9740FRFLD-SUISSUISCA11DS000/00/0000Prefix Type: RBOC
Switch Name: SUISUN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
Thousands block for 707-439
707-439-0CAPACIFIC BELL (AT&T)9740FRFLD-SUISSUISCA11DS0N/APrefix Type: RBOC
Switch Name: SUISUN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
707-439-9CAPACIFIC BELL (AT&T)9740FRFLD-SUISSUISCA11DS0N/APrefix Type: RBOC
Switch Name: SUISUN
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: San Francisco CA (722)
Tandem: N/A
Detailed Switch Info
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