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
603-428NHMERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEYN/A3320HENNIKERHNKRNHXARP000/00/0000Prefix Type: ICO
Switch Name: HENNIKER
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: HNKRNHXARP0))
🕘 Prefix History
🔎 Explore Carrier Information
603-428 is split into 1,000-number blocks - detail below
603-428-0XXXNHMERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEYN/A3320HENNIKERHNKRNHXARP0N/APrefix Type: ICO
Switch Name: HENNIKER
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: HNKRNHXARP0))
🕘 Prefix History
🔎 Explore Carrier Information
603-428-2XXXNHMERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEYN/A3320HENNIKERHNKRNHXARP0N/APrefix Type: ICO
Switch Name: HENNIKER
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: HNKRNHXARP0))
🕘 Prefix History
🔎 Explore Carrier Information
603-428-3XXXNHMERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEYN/A3320HENNIKERHNKRNHXARP0N/APrefix Type: ICO
Switch Name: HENNIKER
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: HNKRNHXARP0))
🕘 Prefix History
🔎 Explore Carrier Information
603-428-6XXXNHMERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEYN/A3320HENNIKERHNKRNHXARP0N/APrefix Type: ICO
Switch Name: HENNIKER
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: HNKRNHXARP0))
🕘 Prefix History
🔎 Explore Carrier Information
603-428-7XXXNHMERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEYN/A3320HENNIKERHNKRNHXARP0N/APrefix Type: ICO
Switch Name: HENNIKER
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: HNKRNHXARP0))
🕘 Prefix History
🔎 Explore Carrier Information
603-428-8XXXNHMERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEYN/A3320HENNIKERHNKRNHXARP0N/APrefix Type: ICO
Switch Name: HENNIKER
Switch Type: N/A
LATA: New Hampshire (122)
Tandem: N/A
🔧 Explore Switch(CLLI: HNKRNHXARP0))
🕘 Prefix History
🔎 Explore Carrier Information
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