Rate Center Name: , State/Province:
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-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
406-433MTMID-RIVERS TELEPHONE COOPERATIVE, INC. (MID-RIVERS TELEPHONE COOPERATIVE, INC.)0001646587RMD00030567830SIDNEYSDNYMTAORS000/00/0000Prefix Type: CLEC
Switch Name: SIDNEY
Switch Type: Siemens DE4 EWSD RCU Switching System
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: SDNYMTAORS0))
🕘 Prefix History
🔎 Explore Carrier Information
406-478MTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-478 is split into 1,000-number blocks - detail below
406-478-0XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-478-1XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMD01/08/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-478-2XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMD09/16/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-478-3XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMD12/09/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-478-4XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMD06/09/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-478-5XXXMTBANDWIDTH.COM CLEC, LLC - MT (Bandwidth Inc.)0017042060RMD0003709994ESIDNEYNOCLLIKNOWN07/13/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-478-6XXXMTBANDWIDTH.COM CLEC, LLC - MT (Bandwidth Inc.)0017042060RMD0003709994ESIDNEYNOCLLIKNOWN07/13/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-478-7XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMD10/07/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-478-8XXXMTBANDWIDTH.COM CLEC, LLC - MT (Bandwidth Inc.)0017042060RMD0003709994ESIDNEYNOCLLIKNOWN05/07/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-478-9XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010SIDNEYBLNGMTMAMMD10/07/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTMAMMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-480MTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-480 is split into 1,000-number blocks - detail below
406-480-0XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-480-1XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-480-2XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-480-3XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-480-4XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-480-5XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-480-6XXXMTBANDWIDTH.COM CLEC, LLC - MT (Bandwidth Inc.)0017042060RMD0003709994ESIDNEYNOCLLIKNOWN01/13/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-480-7XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMD05/04/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-480-8XXXMTVONAGE AMERICA LLC (Telefonaktiebolaget LM Ericsson)0029173770RMD0032974197DSIDNEYNOCLLIKNOWN06/21/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-480-9XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-482MTQWEST CORPORATION0003746757RMD00063899636SIDNEYSDNYMTMARS100/00/0000Prefix Type: RBOC
Switch Name: SIDNEY
Switch Type: AXRSS
LATA: Billings MT (650)
Tandem: BLNGMTWE01T
🔧 Explore Switch(CLLI: SDNYMTMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-482 is split into 1,000-number blocks - detail below
406-482-0XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010SIDNEYBLNGMTMAMMD12/20/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTMAMMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-482-1XXXMTQWEST CORPORATION0003746757RMD00063899636SIDNEYSDNYMTMARS1N/APrefix Type: RBOC
Switch Name: SIDNEY
Switch Type: AXRSS
LATA: Billings MT (650)
Tandem: BLNGMTWE01T
🔧 Explore Switch(CLLI: SDNYMTMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-482-2XXXMTQWEST CORPORATION0003746757RMD00063899636SIDNEYSDNYMTMARS1N/APrefix Type: RBOC
Switch Name: SIDNEY
Switch Type: AXRSS
LATA: Billings MT (650)
Tandem: BLNGMTWE01T
🔧 Explore Switch(CLLI: SDNYMTMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-482-3XXXMTQWEST CORPORATION0003746757RMD00063899636SIDNEYSDNYMTMARS1N/APrefix Type: RBOC
Switch Name: SIDNEY
Switch Type: AXRSS
LATA: Billings MT (650)
Tandem: BLNGMTWE01T
🔧 Explore Switch(CLLI: SDNYMTMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-482-4XXXMTQWEST CORPORATION0003746757RMD00063899636SIDNEYSDNYMTMARS1N/APrefix Type: RBOC
Switch Name: SIDNEY
Switch Type: AXRSS
LATA: Billings MT (650)
Tandem: BLNGMTWE01T
🔧 Explore Switch(CLLI: SDNYMTMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-482-5XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010SIDNEYBLNGMTMAMMD12/18/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTMAMMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-482-6XXXMTQWEST CORPORATION0003746757RMD00063899636SIDNEYSDNYMTMARS1N/APrefix Type: RBOC
Switch Name: SIDNEY
Switch Type: AXRSS
LATA: Billings MT (650)
Tandem: BLNGMTWE01T
🔧 Explore Switch(CLLI: SDNYMTMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-482-8XXXMTQWEST CORPORATION0003746757RMD00063899636SIDNEYSDNYMTMARS1N/APrefix Type: RBOC
Switch Name: SIDNEY
Switch Type: AXRSS
LATA: Billings MT (650)
Tandem: BLNGMTWE01T
🔧 Explore Switch(CLLI: SDNYMTMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-482-9XXXMTQWEST CORPORATION0003746757RMD00063899636SIDNEYSDNYMTMARS1N/APrefix Type: RBOC
Switch Name: SIDNEY
Switch Type: AXRSS
LATA: Billings MT (650)
Tandem: BLNGMTWE01T
🔧 Explore Switch(CLLI: SDNYMTMARS1))
🕘 Prefix History
🔎 Explore Carrier Information
406-488MTMID-RIVERS TELEPHONE COOPERATIVE, INC. (MID-RIVERS TELEPHONE COOPERATIVE, INC.)0001646587RMD00030567830SIDNEYSDNYMTAORS000/00/0000Prefix Type: CLEC
Switch Name: SIDNEY
Switch Type: Siemens DE4 EWSD RCU Switching System
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: SDNYMTAORS0))
🕘 Prefix History
🔎 Explore Carrier Information
406-489MTNEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010SIDNEYBLNGMTMAMMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTMAMMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-489 is split into 1,000-number blocks - detail below
406-489-0XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010SIDNEYBLNGMTMAMMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTMAMMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-489-1XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010SIDNEYBLNGMTMAMMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTMAMMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-489-2XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010SIDNEYBLNGMTMAMMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTMAMMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-489-3XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010SIDNEYBLNGMTMAMMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTMAMMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-489-5XXXMTTERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)0021193057RMD0001495145JSIDNEYNOCLLIKNOWN05/26/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-489-6XXXMTTERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)0021193057RMD0001495145JSIDNEYNOCLLIKNOWN08/16/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-489-7XXXMTBANDWIDTH.COM CLEC, LLC - MT (Bandwidth Inc.)0017042060RMD0003709994ESIDNEYNOCLLIKNOWN05/20/2026Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-489-8XXXMTONVOY SPECTRUM, LLC (Sinch US Holding, Inc.)0024415002RMD0002045624HSIDNEYNOCLLIKNOWN12/26/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-489-9XXXMTBANDWIDTH.COM CLEC, LLC - MT (Bandwidth Inc.)0017042060RMD0003709994ESIDNEYNOCLLIKNOWN09/10/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-630MTLEVEL 3 COMMUNICATIONS, LLC - MT (Lumen Technologies, Inc)N/AN/A9415SIDNEYBLNGMTWE6MD02/16/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWE6MD))
🕘 Prefix History
🔎 Explore Carrier Information
406-630 is split into 1,000-number blocks - detail below
406-630-0XXXMTTELNYX LLC (TELNYX LLC)0018998724RMD0001645073HSIDNEYNOCLLIKNOWN03/21/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-630-1XXXMTBANDWIDTH.COM CLEC, LLC - MT (Bandwidth Inc.)0017042060RMD0003709994ESIDNEYNOCLLIKNOWN08/11/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-630-2XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMD04/18/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-630-3XXXMTBANDWIDTH.COM CLEC, LLC - MT (Bandwidth Inc.)0017042060RMD0003709994ESIDNEYNOCLLIKNOWN11/05/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-630-4XXXMTLEVEL 3 COMMUNICATIONS, LLC - MT (Lumen Technologies, Inc)N/AN/A9415SIDNEYBLNGMTWE6MD02/25/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWE6MD))
🕘 Prefix History
🔎 Explore Carrier Information
406-630-5XXXMTONVOY, LLC - MT (Sinch)0004323028RMD0001966453FSIDNEYNOCLLIKNOWN09/21/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-630-6XXXMTONVOY, LLC - MT (Sinch)0004323028RMD0001966453FSIDNEYNOCLLIKNOWN08/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-630-7XXXMTONVOY, LLC - MT (Sinch)0004323028RMD0001966453FSIDNEYNOCLLIKNOWN09/28/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-630-8XXXMTAIRUS, INC. - MT (PEERLESS NETWORK, INC.)0009034182RMD0001420588HSIDNEYNOCLLIKNOWN02/06/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-630-9XXXMTAIRUS, INC. - MT (PEERLESS NETWORK, INC.)0009034182RMD0001420588HSIDNEYNOCLLIKNOWN03/03/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-943MTLEVEL 3 COMMUNICATIONS, LLC - MT (Lumen Technologies, Inc)N/AN/A9415SIDNEYBLNGMTWE6MD01/09/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWE6MD))
🕘 Prefix History
🔎 Explore Carrier Information
406-943 is split into 1,000-number blocks - detail below
406-943-0XXXMTLEVEL 3 COMMUNICATIONS, LLC - MT (Lumen Technologies, Inc)N/AN/A9415SIDNEYBLNGMTWE6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWE6MD))
🕘 Prefix History
🔎 Explore Carrier Information
406-943-1XXXMTONVOY, LLC - MT (Sinch)0004323028RMD0001966453FSIDNEYNOCLLIKNOWN02/09/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-943-2XXXMTONVOY, LLC - MT (Sinch)0004323028RMD0001966453FSIDNEYNOCLLIKNOWN02/09/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-943-3XXXMTMCIMETRO ACCESS TRANSMISSION SERVICES LLC (Verizon Communications)0004999405RMD00029577229SIDNEYBLNGMTWEAMD10/27/2016Prefix Type: CLEC
Switch Name: BILLINGS
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEAMD))
🕘 Prefix History
🔎 Explore Carrier Information
406-943-4XXXMTLEVEL 3 COMMUNICATIONS, LLC - MT (Lumen Technologies, Inc)N/AN/A9415SIDNEYBLNGMTWE6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWE6MD))
🕘 Prefix History
🔎 Explore Carrier Information
406-943-5XXXMTTELEPORT COMMUNICATIONS AMERICA MT - LLC (AT&T)N/AN/A771GSIDNEYNOCLLIKNOWN02/13/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-943-6XXXMTONVOY, LLC - MT (Sinch)0004323028RMD0001966453FSIDNEYNOCLLIKNOWN10/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-943-7XXXMTCENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)0031422439RMD0006976508JSIDNEYBLNGMTWE8MD07/08/2016Prefix Type: IPES
Switch Name: BILLINGS
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWE8MD))
🕘 Prefix History
🔎 Explore Carrier Information
406-943-8XXXMTONVOY, LLC - MT (Sinch)0004323028RMD0001966453FSIDNEYNOCLLIKNOWN06/07/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-943-9XXXMTONVOY, LLC - MT (Sinch)0004323028RMD0001966453FSIDNEYNOCLLIKNOWN06/07/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-973MTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-973 is split into 1,000-number blocks - detail below
406-973-0XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
406-973-1XXXMTTERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)0021193057RMD0001495145JSIDNEYNOCLLIKNOWN12/11/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-973-8XXXMTBANDWIDTH.COM CLEC, LLC - MT (Bandwidth Inc.)0017042060RMD0003709994ESIDNEYNOCLLIKNOWN08/04/2026Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
406-973-9XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Communications)0003290673RMD00033826564SIDNEYBLNGMTWEIMDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Billings MT (650)
Tandem: N/A
🔧 Explore Switch(CLLI: BLNGMTWEIMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
This information is not guaranteed to be accurate. User assumes all risk for any loss or gain resulting from use of this data.
Although I strive for accuracy and prompt updates of changed information, it is possible that there may be errors. If you see one, could you please report it?
Please report all errors, flames, questions, suggestions, and thanks to Paul Timmins
L'exactitude de ces renseignements n'est pas garantie. L'utilisateur assume l'entière responsabilité des pertes ou des gains découlant de l'utilisation de ces données.
Bien que je m'efforce d'assurer l'exactitude des informations et de les mettre à jour rapidement, des erreurs peuvent subsister. Si vous en voyez une, veuillez me la signaler.
Veuillez adresser vos commentaires, remarques, questions, suggestions et remerciements à Paul Timmins
Please see the Frequently Asked Questions page if you have any questions.
Copyright ©2001-2026, Paul Timmins/Timmins Technologies, LLC. All rights reserved
Website Design and User Interface ©2010, Adam Botbyl/Revolutionary Solutions, LLC.
Colocation generously provided by Clear Rate Communications, Inc
Has this site changed your life? Made your job easier? I always love Fanmail and Suggestions.