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
307-670 is split into 1,000-number blocks - detail below
307-670-6XXXWYQWEST CORPORATION0003746757RMD00063899636GILLETTEGLTTWYMADS012/27/2007Prefix Type: RBOC
Switch Name: GILLETTE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Wyoming (654)
Tandem: CSPRWYMA03T
🔧 Explore Switch(CLLI: GLTTWYMADS0))
🕘 Prefix History
🔎 Explore Carrier Information
307-682WYQWEST CORPORATION0003746757RMD00063899636GILLETTEGLTTWYMADS000/00/0000Prefix Type: RBOC
Switch Name: GILLETTE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Wyoming (654)
Tandem: CSPRWYMA03T
🔧 Explore Switch(CLLI: GLTTWYMADS0))
🕘 Prefix History
🔎 Explore Carrier Information
307-685WYQWEST CORPORATION0003746757RMD00063899636GILLETTEGLTTWYMADS000/00/0000Prefix Type: RBOC
Switch Name: GILLETTE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Wyoming (654)
Tandem: CSPRWYMA03T
🔧 Explore Switch(CLLI: GLTTWYMADS0))
🕘 Prefix History
🔎 Explore Carrier Information
307-686WYQWEST CORPORATION0003746757RMD00063899636GILLETTEGLTTWYMADS000/00/0000Prefix Type: RBOC
Switch Name: GILLETTE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Wyoming (654)
Tandem: CSPRWYMA03T
🔧 Explore Switch(CLLI: GLTTWYMADS0))
🕘 Prefix History
🔎 Explore Carrier Information
307-687WYQWEST CORPORATION0003746757RMD00063899636GILLETTEGLTTWYMADS000/00/0000Prefix Type: RBOC
Switch Name: GILLETTE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Wyoming (654)
Tandem: CSPRWYMA03T
🔧 Explore Switch(CLLI: GLTTWYMADS0))
🕘 Prefix History
🔎 Explore Carrier Information
307-688WYQWEST CORPORATION0003746757RMD00063899636GILLETTEGLTTWYMADS005/24/2004Prefix Type: RBOC
Switch Name: GILLETTE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Wyoming (654)
Tandem: CSPRWYMA03T
🔧 Explore Switch(CLLI: GLTTWYMADS0))
🕘 Prefix History
🔎 Explore Carrier Information
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