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
303-325COLEVEL 3 COMMUNICATIONS, LLC - CO (Lumen Technologies, Inc)0015338122RMD00061126118DENVERDNVTCO56DS800/00/0000Prefix Type: CLEC
Switch Name: DENVER
Switch Type: N/A
LATA: Denver CO (656)
Tandem: N/A
🔧 Explore Switch(CLLI: DNVTCO56DS8))
303-325 is split into 1,000-number blocks - detail below
303-325-0XXXCOLEVEL 3 COMMUNICATIONS, LLC - CO (Lumen Technologies, Inc)0015338122RMD00061126118DENVERDNVTCO56DS8N/APrefix Type: CLEC
Switch Name: DENVER
Switch Type: N/A
LATA: Denver CO (656)
Tandem: N/A
🔧 Explore Switch(CLLI: DNVTCO56DS8))
303-325-1XXXCOCELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO (Verizon Wireless)0017329715RMD00034326567DENVERAURRCO20AMD08/09/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Denver CO (656)
Tandem: N/A
🔧 Explore Switch(CLLI: AURRCO20AMD))
303-325-2XXXCOLEVEL 3 COMMUNICATIONS, LLC - CO (Lumen Technologies, Inc)0015338122RMD00061126118DENVERDNVTCO56DS8N/APrefix Type: CLEC
Switch Name: DENVER
Switch Type: N/A
LATA: Denver CO (656)
Tandem: N/A
🔧 Explore Switch(CLLI: DNVTCO56DS8))
303-325-3XXXCOMCIMETRO ACCESS TRANSMISSION SERVICES LLC0004999405RMD00029577229DENVERDNVRCO37DS006/20/2005Prefix Type: CLEC
Switch Name: DENVER
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Denver CO (656)
Tandem: N/A
🔧 Explore Switch(CLLI: DNVRCO37DS0))
303-325-4XXXCOCELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO (Verizon Wireless)0017329715RMD00034326567DENVERAURRCO20AMD09/27/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Denver CO (656)
Tandem: N/A
🔧 Explore Switch(CLLI: AURRCO20AMD))
303-325-5XXXCOMCIMETRO ACCESS TRANSMISSION SERVICES LLC0004999405RMD00029577229DENVERDNVRCO37DS006/20/2005Prefix Type: CLEC
Switch Name: DENVER
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Denver CO (656)
Tandem: N/A
🔧 Explore Switch(CLLI: DNVRCO37DS0))
303-325-6XXXCOCELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO (Verizon Wireless)0017329715RMD00034326567DENVERAURRCO20AMD09/27/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Denver CO (656)
Tandem: N/A
🔧 Explore Switch(CLLI: AURRCO20AMD))
303-325-7XXXCOMCIMETRO ACCESS TRANSMISSION SERVICES LLC0004999405RMD00029577229DENVERDNVRCO37DS006/20/2005Prefix Type: CLEC
Switch Name: DENVER
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Denver CO (656)
Tandem: N/A
🔧 Explore Switch(CLLI: DNVRCO37DS0))
303-325-8XXXCOLEVEL 3 COMMUNICATIONS, LLC - CO (Lumen Technologies, Inc)0015338122RMD00061126118DENVERDNVTCO56DS8N/APrefix Type: CLEC
Switch Name: DENVER
Switch Type: N/A
LATA: Denver CO (656)
Tandem: N/A
🔧 Explore Switch(CLLI: DNVTCO56DS8))
303-325-9XXXCOLEVEL 3 COMMUNICATIONS, LLC - CO (Lumen Technologies, Inc)0015338122RMD00061126118DENVERDNVTCO56DS8N/APrefix Type: CLEC
Switch Name: DENVER
Switch Type: N/A
LATA: Denver CO (656)
Tandem: N/A
🔧 Explore Switch(CLLI: DNVTCO56DS8))