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
928-923AZFRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - AZ (Frontier Communications)N/A4419EHRENBERGEHRNAZXFRS100/00/0000Prefix Type: ICO
Switch Name: EHRENBERG
Switch Type: NTDMSRLM
LATA: Los Angeles CA (730)
Tandem: VTVLCAXA79T
🔧 Explore Switch(CLLI: EHRNAZXFRS1))
928-923 is split into 1,000-number blocks - detail below
928-923-0XXXAZFRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - AZ (Frontier Communications)N/A4419EHRENBERGEHRNAZXFRS1N/APrefix Type: ICO
Switch Name: EHRENBERG
Switch Type: NTDMSRLM
LATA: Los Angeles CA (730)
Tandem: VTVLCAXA79T
🔧 Explore Switch(CLLI: EHRNAZXFRS1))
928-923-7XXXAZFRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - AZ (Frontier Communications)N/A4419EHRENBERGEHRNAZXFRS1N/APrefix Type: ICO
Switch Name: EHRENBERG
Switch Type: NTDMSRLM
LATA: Los Angeles CA (730)
Tandem: VTVLCAXA79T
🔧 Explore Switch(CLLI: EHRNAZXFRS1))
928-923-9XXXAZFRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - AZ (Frontier Communications)N/A4419EHRENBERGEHRNAZXFRS1N/APrefix Type: ICO
Switch Name: EHRENBERG
Switch Type: NTDMSRLM
LATA: Los Angeles CA (730)
Tandem: VTVLCAXA79T
🔧 Explore Switch(CLLI: EHRNAZXFRS1))
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