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
719-222COAMERICAN MESSAGING SERVICES, LLCN/A9748COLORDOSPGCLSQCONL0MD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Colorado Springs CO (658)
Tandem: N/A
🔧 Explore Switch(CLLI: CLSQCONL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
719-280 is split into 1,000-number blocks - detail below
719-280-3XXXCONEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010FLORENCECLSQCONL0MD07/01/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Colorado Springs CO (658)
Tandem: N/A
🔧 Explore Switch(CLLI: CLSQCONL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
719-280-7XXXCONEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010FLORENCECLSQCONL0MD10/18/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Colorado Springs CO (658)
Tandem: N/A
🔧 Explore Switch(CLLI: CLSQCONL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
719-441CONEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010FLORENCECLSQCONL0MD06/06/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Colorado Springs CO (658)
Tandem: N/A
🔧 Explore Switch(CLLI: CLSQCONL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
719-441 is split into 1,000-number blocks - detail below
719-441-9XXXCONEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010FLORENCECLSQCONL0MD06/06/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Colorado Springs CO (658)
Tandem: N/A
🔧 Explore Switch(CLLI: CLSQCONL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
719-842 is split into 1,000-number blocks - detail below
719-842-5XXXCONEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010FLORENCECLSQCONL0MD08/08/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Colorado Springs CO (658)
Tandem: N/A
🔧 Explore Switch(CLLI: CLSQCONL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
719-921COAMERICAN MESSAGING SERVICES, LLCN/A9748COLORDOSPGCLSQCONL0MD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Colorado Springs CO (658)
Tandem: N/A
🔧 Explore Switch(CLLI: CLSQCONL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
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