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
614-251OHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS100/00/0000Prefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-252OHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS100/00/0000Prefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-253OHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS100/00/0000Prefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-253 is split into 1,000-number blocks - detail below
614-253-0XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-253-1XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-253-2XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-253-3XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-253-4XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-253-5XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-253-6XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-253-7XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-253-8XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-257OHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS100/00/0000Prefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-257 is split into 1,000-number blocks - detail below
614-257-0XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-257-1XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-257-2XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-257-3XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-257-4XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-257-5XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-257-6XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-258OHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS100/00/0000Prefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-372OHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS100/00/0000Prefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-372 is split into 1,000-number blocks - detail below
614-372-0XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-372-1XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
614-372-2XXXOHOHIO BELL TEL CO (AT&T)N/A9321COLUMBUSCLMBOH25DS1N/APrefix Type: RBOC
Switch Name: COLUMBUS 25
Switch Type: EWSD
LATA: Columbus OH (324)
Tandem: WOTNOH8801T
🔧 Explore Switch(CLLI: CLMBOH25DS1))
🕘 Prefix History
🔎 Explore Carrier Information
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