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
563-277 is split into 1,000-number blocks - detail below
563-277-5XXXIAQWEST CORPORATION0003746757RMD00063899631DECORAHDCRHIACODS008/13/2014Prefix Type: RBOC
Switch Name: DECORAH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Cedar Rapids IA (635)
Tandem: CDRRIADT27T
🔧 Explore Switch(CLLI: DCRHIACODS0))
🕘 Prefix History
🔎 Explore Carrier Information
563-382IAQWEST CORPORATION0003746757RMD00063899631DECORAHDCRHIACODS000/00/0000Prefix Type: RBOC
Switch Name: DECORAH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Cedar Rapids IA (635)
Tandem: CDRRIADT27T
🔧 Explore Switch(CLLI: DCRHIACODS0))
🕘 Prefix History
🔎 Explore Carrier Information
563-387IAQWEST CORPORATION0003746757RMD00063899631DECORAHDCRHIACODS000/00/0000Prefix Type: RBOC
Switch Name: DECORAH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Cedar Rapids IA (635)
Tandem: CDRRIADT27T
🔧 Explore Switch(CLLI: DCRHIACODS0))
🕘 Prefix History
🔎 Explore Carrier Information
563-387 is split into 1,000-number blocks - detail below
563-387-0XXXIAQWEST CORPORATION0003746757RMD00063899631DECORAHDCRHIACODS0N/APrefix Type: RBOC
Switch Name: DECORAH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Cedar Rapids IA (635)
Tandem: CDRRIADT27T
🔧 Explore Switch(CLLI: DCRHIACODS0))
🕘 Prefix History
🔎 Explore Carrier Information
563-387-1XXXIAQWEST CORPORATION0003746757RMD00063899631DECORAHDCRHIACODS0N/APrefix Type: RBOC
Switch Name: DECORAH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Cedar Rapids IA (635)
Tandem: CDRRIADT27T
🔧 Explore Switch(CLLI: DCRHIACODS0))
🕘 Prefix History
🔎 Explore Carrier Information
563-387-2XXXIAQWEST CORPORATION0003746757RMD00063899631DECORAHDCRHIACODS0N/APrefix Type: RBOC
Switch Name: DECORAH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Cedar Rapids IA (635)
Tandem: CDRRIADT27T
🔧 Explore Switch(CLLI: DCRHIACODS0))
🕘 Prefix History
🔎 Explore Carrier Information
563-387-3XXXIAQWEST CORPORATION0003746757RMD00063899631DECORAHDCRHIACODS0N/APrefix Type: RBOC
Switch Name: DECORAH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Cedar Rapids IA (635)
Tandem: CDRRIADT27T
🔧 Explore Switch(CLLI: DCRHIACODS0))
🕘 Prefix History
🔎 Explore Carrier Information
563-387-4XXXIAQWEST CORPORATION0003746757RMD00063899631DECORAHDCRHIACODS0N/APrefix Type: RBOC
Switch Name: DECORAH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Cedar Rapids IA (635)
Tandem: CDRRIADT27T
🔧 Explore Switch(CLLI: DCRHIACODS0))
🕘 Prefix History
🔎 Explore Carrier Information
563-387-5XXXIAQWEST CORPORATION0003746757RMD00063899631DECORAHDCRHIACODS0N/APrefix Type: RBOC
Switch Name: DECORAH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Cedar Rapids IA (635)
Tandem: CDRRIADT27T
🔧 Explore Switch(CLLI: DCRHIACODS0))
🕘 Prefix History
🔎 Explore Carrier Information
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