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
747-300CAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CSNFN GRHLLSANCARCD3S00/00/0000Prefix Type: CLEC
Switch Name: LOS ANGELES
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: LSANCARCD3S))
747-300 is split into 1,000-number blocks - detail below
747-300-0XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CSNFN GRHLLSANCARCD3S10/11/2012Prefix Type: CLEC
Switch Name: LOS ANGELES
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: LSANCARCD3S))
747-300-1XXXCAPEERLESS NETWORK OF CALIFORNIA, LLC - CAN/A373FSNFN GRHLNOCLLIKNOWN03/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
747-300-2XXXCATIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CABN/A576CSNFN GRHLNOCLLIKNOWN03/19/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
747-300-3XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CSNFN GRHLLSANCARCD3S10/11/2012Prefix Type: CLEC
Switch Name: LOS ANGELES
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: LSANCARCD3S))
747-300-4XXXCAMCIMETRO ACCESS TRANSMISSION SERVICES LLC0004999405RMD00029577229SNFN GRHLBLTNCAADPS202/01/2013Prefix Type: CLEC
Switch Name: BLOOMINGTON
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTNCAADPS2))
747-300-5XXXCABANDWIDTH.COM CLEC, LLC - CA0017042060RMD0003709981ESNFN GRHLNOCLLIKNOWN12/17/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
747-300-6XXXCACELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (Verizon Wireless)0029611852RMD00034396006SNFN GRHLBLTNCAADGMD12/09/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTNCAADGMD))
747-300-7XXXCACELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA (Verizon Wireless)0029611852RMD00034396006SNFN GRHLBLTNCAADGMD06/05/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTNCAADGMD))
747-300-8XXXCABANDWIDTH.COM CLEC, LLC - CA0017042060RMD0003709981ESNFN GRHLNOCLLIKNOWN12/17/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
747-300-9XXXCATIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CABN/A576CSNFN GRHLNOCLLIKNOWN07/23/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
This information is not guaranteed to be accurate. User assumes all risk for any loss or gain resulting from use of this data.
Although I strive for accuracy and prompt updates of changed information, it is possible that there may be errors. If you see one, could you please report it?
Please report all errors, flames, questions, suggestions, and thanks to Paul Timmins
L'exactitude de ces renseignements n'est pas garantie. L'utilisateur assume l'entière responsabilité des pertes ou des gains découlant de l'utilisation de ces données.
Bien que je m'efforce d'assurer l'exactitude des informations et de les mettre à jour rapidement, des erreurs peuvent subsister. Si vous en voyez une, veuillez me la signaler.
Veuillez adresser vos commentaires, remarques, questions, suggestions et remerciements à Paul Timmins
Please see the Frequently Asked Questions page if you have any questions.
Copyright ©2001-2026, Paul Timmins/Timmins Technologies, LLC. All rights reserved
Website Design and User Interface ©2010, Adam Botbyl/Revolutionary Solutions, LLC.
Colocation generously provided by Clear Rate Communications, Inc
Has this site changed your life? Made your job easier? I always love Fanmail and Suggestions.