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npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
346-939TXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T)0003291192RMD00369096534LANGHAMCRKHSTNTX01GT508/20/2026Prefix 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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346-939 is split into 1,000-number blocks - detail below
346-939-7XXXTXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T)0003291192RMD00369096534LANGHAMCRKHSTNTX01GT508/20/2026Prefix 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
346-939-8XXXTXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T)0003291192RMD00369096534LANGHAMCRKHSTNTX01GT508/20/2026Prefix 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
346-939-9XXXTXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T)0003291192RMD00369096534LANGHAMCRKHSTNTX01GT508/20/2026Prefix 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
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