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npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
936-999TXEVOLVE CELLULAR, INC.0017249558RMD0002529139FZAVALLAHSTQTXRG6MD01/12/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
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936-999 is split into 1,000-number blocks - detail below
936-999-0XXXTXTERRA NOVA TELECOM INC.0021193057RMD0001495145JZAVALLANOCLLIKNOWN07/23/2025Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
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936-999-3XXXTXONVOY, LLC - TX (Sinch)0004323028RMD0001966903CZAVALLANOCLLIKNOWN03/16/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
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936-999-4XXXTXONVOY SPECTRUM, LLC (Sinch)0024415002RMD0002045624HZAVALLANOCLLIKNOWN11/10/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
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936-999-5XXXTXONVOY SPECTRUM, LLC (Sinch)0024415002RMD0002045624HZAVALLANOCLLIKNOWN11/10/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
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936-999-7XXXTXLEVEL 3 COMMUNICATIONS, LLC - TX (Lumen Technologies, Inc)0015338122RMD00061126114ZAVALLAHSTSTXJV6MD01/28/2015Prefix Type: CLEC
Switch Name: HOUSTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
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936-999-9XXXTXTON80 COMMUNICATIONS, LLC0025462672RMD0005819516JZAVALLANOCLLIKNOWN06/01/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))