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npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
346-858TXIP HORIZON LLC0027469766RMD0001571515JCLEVELANDNOCLLIKNOWN02/04/2025Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
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346-858 is split into 1,000-number blocks - detail below
346-858-0XXXTXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T)0003291192RMD00369096534CLEVELANDHSTNTX01GT507/17/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTX01GT5))
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346-858-1XXXTXIP HORIZON LLC0027469766RMD0001571515JCLEVELANDNOCLLIKNOWN02/04/2025Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
346-858-2XXXTXIP HORIZON LLC0027469766RMD0001571515JCLEVELANDNOCLLIKNOWN02/04/2025Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
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346-858-3XXXTXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (Verizon Communications)0005068713RMD00034166506CLEVELANDHSTWTXUFAMD06/23/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTWTXUFAMD))
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346-858-4XXXTXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (Verizon Communications)0005068713RMD00034166506CLEVELANDHSTWTXUFAMD06/23/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTWTXUFAMD))
🕘 Prefix History
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346-858-5XXXTXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T)0003291192RMD00369096534CLEVELANDHSTNTX01GT503/16/2026Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTX01GT5))
🕘 Prefix History
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346-858-6XXXTXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T)0003291192RMD00369096534CLEVELANDHSTNTX01GT503/16/2026Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTX01GT5))
🕘 Prefix History
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346-858-7XXXTXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T)0003291192RMD00369096534CLEVELANDHSTNTX01GT507/17/2025Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTX01GT5))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
346-858-8XXXTXCELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX (Verizon Communications)0005068713RMD00034166506CLEVELANDHSTWTXUFAMD01/22/2026Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTWTXUFAMD))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
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