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npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
406-945MTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010HAVREMSSLMTAG5MD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-945 is split into 1,000-number blocks - detail below
406-945-0XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010HAVREMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-945-1XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010HAVREMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-945-2XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010HAVREMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-945-3XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010HAVREMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-945-4XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010HAVREMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-945-5XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010HAVREMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-945-7XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010HAVREMSSLMTAG5MD05/26/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-945-8XXXMTTERRA NOVA TELECOM INC.0021193057RMD0001495145JHAVRENOCLLIKNOWN09/17/2025Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
406-945-9XXXMTCHARTER IP ENABLED SERVICES, LLCN/A792KHAVRENOCLLIKNOWN10/22/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
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