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
301-525MDQUANTUM TELECOMMUNICATIONS, INC. - MD0007761273RMD00029172596GAITHERSBGBLTMMD91DS210/16/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD and VA suburbs) (236)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91DS2))
🕘 Prefix History
🔎 Explore Carrier Information
301-525 is split into 1,000-number blocks - detail below
301-525-0XXXMDQUANTUM TELECOMMUNICATIONS, INC. - MD0007761273RMD00029172596GAITHERSBGBLTMMD91DS210/16/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Washington DC METRO (includes MD and VA suburbs) (236)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91DS2))
🕘 Prefix History
🔎 Explore Carrier Information
410-982MDQUANTUM TELECOMMUNICATIONS, INC. - MD0007761273RMD00029172596BALTIMOREBLTMMD91DS210/13/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91DS2))
🕘 Prefix History
🔎 Explore Carrier Information
410-982 is split into 1,000-number blocks - detail below
410-982-0XXXMDQUANTUM TELECOMMUNICATIONS, INC. - MD0007761273RMD00029172596BALTIMOREBLTMMD91DS210/15/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91DS2))
🕘 Prefix History
🔎 Explore Carrier Information
667-788MDQUANTUM TELECOMMUNICATIONS, INC. - MD0007761273RMD00029172596WESTMINSTRBLTMMD91DS210/22/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91DS2))
🕘 Prefix History
🔎 Explore Carrier Information
667-788 is split into 1,000-number blocks - detail below
667-788-9XXXMDQUANTUM TELECOMMUNICATIONS, INC. - MD0007761273RMD00029172596WESTMINSTRBLTMMD91DS210/22/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTMMD91DS2))
🕘 Prefix History
🔎 Explore Carrier Information
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