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npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
406-955MTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Wireless)0001627702RMD00033466564KALISPELLHLNAMTMAX1X12/04/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: HLNAMTMAX1X))
406-955 is split into 1,000-number blocks - detail below
406-955-0XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Wireless)0001627702RMD00033466564KALISPELLHLNAMTMAX1X11/13/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: HLNAMTMAX1X))
406-955-1XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Wireless)0001627702RMD00033466564KALISPELLHLNAMTMAX1X08/13/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: HLNAMTMAX1X))
406-955-2XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010KALISPELLMSSLMTAG5MD04/29/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-955-3XXXMTT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529KALISPELLNOCLLIKNOWN09/12/2025Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-955-4XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010KALISPELLMSSLMTAG5MD04/29/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-955-5XXXMTMETROPCS, INC. (T-Mobile US, Inc)N/A5562KALISPELLNOCLLIKNOWN10/02/2024Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-955-6XXXMTT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529KALISPELLNOCLLIKNOWN01/23/2024Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-955-7XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010KALISPELLMSSLMTAG5MD04/29/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-955-8XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010KALISPELLMSSLMTAG5MD12/11/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-955-9XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010KALISPELLMSSLMTAG5MD12/11/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
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