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npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
256-850ALPAETEC ITEL, LLC0015247810RMD0038378829JMADISONHNVIALUNXTZ06/06/2003Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
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256-850 is split into 1,000-number blocks - detail below
256-850-0XXXALLEVEL 3 COMMUNICATIONS, LLC - AL (Lumen Technologies, Inc)0015338122RMD00061125255MADISONNOCLLIKNOWN12/14/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
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256-850-1XXXALONVOY, LLC - AL (Sinch)0004323028RMD0001966604EMADISONNOCLLIKNOWN06/30/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
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256-850-2XXXALONVOY, LLC - AL (Sinch)0004323028RMD0001966604EMADISONNOCLLIKNOWN06/30/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
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256-850-3XXXALLEVEL 3 COMMUNICATIONS, LLC - AL (Lumen Technologies, Inc)0015338122RMD00061125255MADISONNOCLLIKNOWN11/29/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
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256-850-4XXXALLEVEL 3 COMMUNICATIONS, LLC - AL (Lumen Technologies, Inc)0015338122RMD00061125255MADISONNOCLLIKNOWN08/26/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
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256-850-5XXXALTELEPORT COMMUNICATIONS AMERICA, LLC - AL (AT&T)0004274114RMD00038978271MADISONNOCLLIKNOWN06/12/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
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256-850-6XXXALMCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL (Verizon Communications)0004999405RMD00029577469MADISONHNVIAL180MD02/04/2019Prefix Type: CLEC
Switch Name: HUNTSVILLE
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
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256-850-7XXXALMCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL (Verizon Communications)0004999405RMD00029577469MADISONHNVIAL180MD08/18/2009Prefix Type: CLEC
Switch Name: HUNTSVILLE
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
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256-850-8XXXALTELEPORT COMMUNICATIONS AMERICA, LLC - AL (AT&T)0004274114RMD00038978271MADISONNOCLLIKNOWN09/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
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256-850-9XXXALPAETEC ITEL, LLC0015247810RMD0038378829JMADISONHNVIALUNXTZN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Huntsville AL (477)
Tandem: N/A
🔧 Explore Switch(CLLI: HNVIALUNXTZ))
🕘 Prefix History
🔎 Explore Carrier Information
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