Input an Area Code (required) followed by the Prefix, or Exchange (optional):
-
If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.

🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxState/ProvinceCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
630-447ILLEVEL 3 COMMUNICATIONS, LLC - IL (Lumen Technologies, Inc)0015338122RMD00061126115WARRENVLCHCGILGMDS704/13/2006Prefix Type: CLEC
Switch Name: CHICAGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
🔧 Explore Switch(CLLI: CHCGILGMDS7))
630-447 is split into 1,000-number blocks - detail below
630-447-0XXXILBANDWIDTH.COM CLEC, LLC - IL0017042060RMD0003709984EWARRENVLNOCLLIKNOWN08/12/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
630-447-1XXXILONVOY SPECTRUM, LLC (Sinch)0024415002RMD0002045624HWARRENVLNOCLLIKNOWN11/19/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
630-447-2XXXILLEVEL 3 COMMUNICATIONS, LLC - IL (Lumen Technologies, Inc)0015338122RMD00061126115WARRENVLCHCGILGMDS704/19/2006Prefix Type: CLEC
Switch Name: CHICAGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
🔧 Explore Switch(CLLI: CHCGILGMDS7))
630-447-3XXXILCENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)0031422439RMD0006976508JWARRENVLCHCGILDT8MD06/05/2013Prefix Type: IPES
Switch Name: CHICGOZN01
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
🔧 Explore Switch(CLLI: CHCGILDT8MD))
630-447-4XXXILTELEPORT COMMUNICATIONS AMERICA, LLC - IL (AT&T)0004274114RMD00038977136WARRENVLNOCLLIKNOWN02/26/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
630-447-5XXXILPAETEC ITEL, LLC0015247810RMD0038378829JWARRENVLCHCGILWUDS011/02/2009Prefix Type: IPES
Switch Name: CHICAGO
Switch Type: WECO 5ESS (Digital)
LATA: Chicago IL METRO (358)
Tandem: N/A
🔧 Explore Switch(CLLI: CHCGILWUDS0))
630-447-6XXXILPAETEC ITEL, LLC0015247810RMD0038378829JWARRENVLCHCGILCPDS505/16/2007Prefix Type: IPES
Switch Name: CHICAGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
🔧 Explore Switch(CLLI: CHCGILCPDS5))
630-447-7XXXILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CWARRENVLNOCLLIKNOWN11/02/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
630-447-8XXXILBANDWIDTH.COM CLEC, LLC - IL0017042060RMD0003709984EWARRENVLNOCLLIKNOWN02/10/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
630-447-9XXXILBANDWIDTH.COM CLEC, LLC - IL0017042060RMD0003709984EWARRENVLNOCLLIKNOWN11/13/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))