Input an Area Code (required) followed by the Prefix, or Exchange (optional):
-
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.

🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
406-668MTQWEST CORPORATION0003746757RMD00063899636FROMBERGFRMBMTMARS100/00/0000Prefix Type: RBOC
Switch Name: FROMBERG
Switch Type: AXRSS
LATA: Billings MT (650)
Tandem: BLNGMTWE01T
🔧 Explore Switch(CLLI: FRMBMTMARS1))
406-668 is split into 1,000-number blocks - detail below
406-668-0XXXMTLEVEL 3 COMMUNICATIONS, LLC - MT (Lumen Technologies, Inc)N/A9415FROMBERGNOCLLIKNOWN10/15/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-668-1XXXMTBANDWIDTH.COM CLEC, LLC - MT0017042060RMD0003709994EFROMBERGNOCLLIKNOWN01/13/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-668-2XXXMTTRI TEL, INC. - MT0003744463RMD0001971935GFROMBERGNOCLLIKNOWN12/18/2012Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-668-3XXXMTBANDWIDTH.COM CLEC, LLC - MT0017042060RMD0003709994EFROMBERGNOCLLIKNOWN05/06/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-668-4XXXMTONVOY, LLC - MT (Sinch)0004323028RMD0001966453FFROMBERGNOCLLIKNOWN09/22/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-668-5XXXMTONVOY, LLC - MT (Sinch)0004323028RMD0001966453FFROMBERGNOCLLIKNOWN07/21/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-668-6XXXMTONVOY, LLC - MT (Sinch)0004323028RMD0001966453FFROMBERGNOCLLIKNOWN02/21/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-668-7XXXMTQWEST CORPORATION0003746757RMD00063899636FROMBERGFRMBMTMARS1N/APrefix Type: RBOC
Switch Name: FROMBERG
Switch Type: AXRSS
LATA: Billings MT (650)
Tandem: BLNGMTWE01T
🔧 Explore Switch(CLLI: FRMBMTMARS1))
406-668-8XXXMTCENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)0031422439RMD0006976508JFROMBERGBLNGMTWE8MD07/07/2016Prefix Type: IPES
Switch Name: BILLINGS
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWE8MD))
406-668-9XXXMTQWEST CORPORATION0003746757RMD00063899636FROMBERGFRMBMTMARS1N/APrefix Type: RBOC
Switch Name: FROMBERG
Switch Type: AXRSS
LATA: Billings MT (650)
Tandem: BLNGMTWE01T
🔧 Explore Switch(CLLI: FRMBMTMARS1))