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
920-685WIWISCONSIN BELL INC (AT&T)N/AN/A9327OMROOMROWI11DS000/00/0000Prefix Type: RBOC
Switch Name: OMRO
Switch Type: DMS10
LATA: northeastern WI (350)
Tandem: APPLWI0171T
🔧 Explore Switch(CLLI: OMROWI11DS0))
🕘 Prefix History
🔎 Explore Carrier Information
920-685 is split into 1,000-number blocks - detail below
920-685-0XXXWIWISCONSIN BELL INC (AT&T)N/AN/A9327OMROOMROWI11DS0N/APrefix Type: RBOC
Switch Name: OMRO
Switch Type: DMS10
LATA: northeastern WI (350)
Tandem: APPLWI0171T
🔧 Explore Switch(CLLI: OMROWI11DS0))
🕘 Prefix History
🔎 Explore Carrier Information
920-685-2XXXWIWISCONSIN BELL INC (AT&T)N/AN/A9327OMROOMROWI11DS0N/APrefix Type: RBOC
Switch Name: OMRO
Switch Type: DMS10
LATA: northeastern WI (350)
Tandem: APPLWI0171T
🔧 Explore Switch(CLLI: OMROWI11DS0))
🕘 Prefix History
🔎 Explore Carrier Information
920-685-5XXXWIWISCONSIN BELL INC (AT&T)N/AN/A9327OMROOMROWI11DS0N/APrefix Type: RBOC
Switch Name: OMRO
Switch Type: DMS10
LATA: northeastern WI (350)
Tandem: APPLWI0171T
🔧 Explore Switch(CLLI: OMROWI11DS0))
🕘 Prefix History
🔎 Explore Carrier Information
920-685-6XXXWIWISCONSIN BELL INC (AT&T)N/AN/A9327OMROOMROWI11DS0N/APrefix Type: RBOC
Switch Name: OMRO
Switch Type: DMS10
LATA: northeastern WI (350)
Tandem: APPLWI0171T
🔧 Explore Switch(CLLI: OMROWI11DS0))
🕘 Prefix History
🔎 Explore Carrier Information
920-685-7XXXWIWISCONSIN BELL INC (AT&T)N/AN/A9327OMROOMROWI11DS0N/APrefix Type: RBOC
Switch Name: OMRO
Switch Type: DMS10
LATA: northeastern WI (350)
Tandem: APPLWI0171T
🔧 Explore Switch(CLLI: OMROWI11DS0))
🕘 Prefix History
🔎 Explore Carrier Information
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