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npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
406-231MTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010GREATFALLSMSSLMTAG5MD07/12/2001Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-231 is split into 1,000-number blocks - detail below
406-231-0XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010GREATFALLSMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-231-1XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010GREATFALLSMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-231-2XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010GREATFALLSMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-231-3XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010GREATFALLSMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-231-4XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010GREATFALLSMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-231-5XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010GREATFALLSMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-231-6XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010GREATFALLSMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-231-7XXXMTCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT (Verizon Wireless)0001627702RMD00033466564GREATFALLSHLNAMTMAX1X01/09/2026Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: HLNAMTMAX1X))
406-231-8XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010GREATFALLSMSSLMTAG5MDN/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Great Falls MT (648)
Tandem: N/A
🔧 Explore Switch(CLLI: MSSLMTAG5MD))
406-231-9XXXMTNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010GREATFALLSMSSLMTAG5MDN/APrefix 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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