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
760-664CAFRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - AZ (Frontier Communications)N/A4419EARP LSLKPSTNAZXCRS100/00/0000Prefix Type: ICO
Switch Name: POSTON
Switch Type: NTDMSRSE
LATA: Los Angeles CA (730)
Tandem: VTVLCAXA79T
🔧 Explore Switch(CLLI: PSTNAZXCRS1))
760-664 is split into 1,000-number blocks - detail below
760-664-4XXXCAFRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - AZ (Frontier Communications)N/A4419EARP LSLKPSTNAZXCRS1N/APrefix Type: ICO
Switch Name: POSTON
Switch Type: NTDMSRSE
LATA: Los Angeles CA (730)
Tandem: VTVLCAXA79T
🔧 Explore Switch(CLLI: PSTNAZXCRS1))
928-662AZFRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - AZ (Frontier Communications)N/A4419PARKER DAMPSTNAZXCRS100/00/0000Prefix Type: ICO
Switch Name: POSTON
Switch Type: NTDMSRSE
LATA: Los Angeles CA (730)
Tandem: VTVLCAXA79T
🔧 Explore Switch(CLLI: PSTNAZXCRS1))
928-662 is split into 1,000-number blocks - detail below
928-662-4XXXAZFRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - AZ (Frontier Communications)N/A4419PARKER DAMPSTNAZXCRS1N/APrefix Type: ICO
Switch Name: POSTON
Switch Type: NTDMSRSE
LATA: Los Angeles CA (730)
Tandem: VTVLCAXA79T
🔧 Explore Switch(CLLI: PSTNAZXCRS1))
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