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Last Updated: Wed Apr 22 03:58:49 2026
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| 406-943 | MT | LEVEL 3 COMMUNICATIONS, LLC - MT (Lumen Technologies, Inc) | | N/A | 9415 | SIDNEY | BLNGMTWE6MD | 01/09/2003 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: BLNGMTWE6MD)) |
| 406-943-0XXX | MT | LEVEL 3 COMMUNICATIONS, LLC - MT (Lumen Technologies, Inc) | | N/A | 9415 | SIDNEY | BLNGMTWE6MD | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: BLNGMTWE6MD)) |
| 406-943-1XXX | MT | ONVOY, LLC - MT (Sinch) | 0004323028 | RMD0001966 | 453F | SIDNEY | NOCLLIKNOWN | 02/09/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 406-943-2XXX | MT | ONVOY, LLC - MT (Sinch) | 0004323028 | RMD0001966 | 453F | SIDNEY | NOCLLIKNOWN | 02/09/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 406-943-3XXX | MT | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 0004999405 | RMD0002957 | 7229 | SIDNEY | BLNGMTWEAMD | 10/27/2016 | Prefix Type: CLEC Switch Name: BILLINGS Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: BLNGMTWEAMD)) |
| 406-943-4XXX | MT | LEVEL 3 COMMUNICATIONS, LLC - MT (Lumen Technologies, Inc) | | N/A | 9415 | SIDNEY | BLNGMTWE6MD | N/A | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: BLNGMTWE6MD)) |
| 406-943-5XXX | MT | TELEPORT COMMUNICATIONS AMERICA MT - LLC (AT&T) | | N/A | 771G | SIDNEY | NOCLLIKNOWN | 02/13/2015 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 406-943-6XXX | MT | ONVOY, LLC - MT (Sinch) | 0004323028 | RMD0001966 | 453F | SIDNEY | NOCLLIKNOWN | 10/12/2020 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 406-943-7XXX | MT | CENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc) | 0031422439 | RMD0006976 | 508J | SIDNEY | BLNGMTWE8MD | 07/08/2016 | Prefix Type: IPES Switch Name: BILLINGS Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: BLNGMTWE8MD)) |
| 406-943-8XXX | MT | ONVOY, LLC - MT (Sinch) | 0004323028 | RMD0001966 | 453F | SIDNEY | NOCLLIKNOWN | 06/07/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |
| 406-943-9XXX | MT | ONVOY, LLC - MT (Sinch) | 0004323028 | RMD0001966 | 453F | SIDNEY | NOCLLIKNOWN | 06/07/2021 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Billings MT (650) Tandem: N/A 🔧 Explore Switch(CLLI: NOCLLIKNOWN)) |