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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🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
209-837CAPACIFIC BELL (AT&T)0038213641RMD00392889740CROWS LDGCWLDCA12RS000/00/0000Prefix Type: RBOC
Switch Name: CROWS LANDING
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Stockton CA (738)
Tandem: N/A
🔧 Explore Switch(CLLI: CWLDCA12RS0))
209-837 is split into 1,000-number blocks - detail below
209-837-1XXXCAPACIFIC BELL (AT&T)0038213641RMD00392889740CROWS LDGCWLDCA12RS0N/APrefix Type: RBOC
Switch Name: CROWS LANDING
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Stockton CA (738)
Tandem: N/A
🔧 Explore Switch(CLLI: CWLDCA12RS0))
209-837-4XXXCAPACIFIC BELL (AT&T)0038213641RMD00392889740CROWS LDGCWLDCA12RS0N/APrefix Type: RBOC
Switch Name: CROWS LANDING
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Stockton CA (738)
Tandem: N/A
🔧 Explore Switch(CLLI: CWLDCA12RS0))
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