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
949-421CAMCIMETRO ACCESS TRANSMISSION SERVICES LLC (Verizon Communications)0004999405RMD00029577229SADLBK VLYBLTNCAADPS200/00/0000Prefix Type: CLEC
Switch Name: BLOOMINGTON
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTNCAADPS2))
🕘 Prefix History
🔎 Explore Carrier Information
949-421 is split into 1,000-number blocks - detail below
949-421-0XXXCAMCIMETRO ACCESS TRANSMISSION SERVICES LLC (Verizon Communications)0004999405RMD00029577229SADLBK VLYBLTNCAADPS2N/APrefix Type: CLEC
Switch Name: BLOOMINGTON
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTNCAADPS2))
🕘 Prefix History
🔎 Explore Carrier Information
949-421-1XXXCAMCIMETRO ACCESS TRANSMISSION SERVICES LLC (Verizon Communications)0004999405RMD00029577229SADLBK VLYBLTNCAADPS2N/APrefix Type: CLEC
Switch Name: BLOOMINGTON
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTNCAADPS2))
🕘 Prefix History
🔎 Explore Carrier Information
949-421-2XXXCAMCIMETRO ACCESS TRANSMISSION SERVICES LLC (Verizon Communications)0004999405RMD00029577229SADLBK VLYBLTNCAADPS2N/APrefix Type: CLEC
Switch Name: BLOOMINGTON
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTNCAADPS2))
🕘 Prefix History
🔎 Explore Carrier Information
949-421-3XXXCACOMCAST PHONE OF CALIFORNIA, LLCN/A394LSADLBK VLYANHMCA01XRY01/17/2008Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: ANHMCA01XRY))
🕘 Prefix History
🔎 Explore Carrier Information
949-421-4XXXCAMCIMETRO ACCESS TRANSMISSION SERVICES LLC (Verizon Communications)0004999405RMD00029577229SADLBK VLYBLTNCAADPS2N/APrefix Type: CLEC
Switch Name: BLOOMINGTON
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: BLTNCAADPS2))
🕘 Prefix History
🔎 Explore Carrier Information
949-421-5XXXCACOMCAST PHONE OF CALIFORNIA, LLCN/A394LSADLBK VLYANHMCA01XRY01/17/2008Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: ANHMCA01XRY))
🕘 Prefix History
🔎 Explore Carrier Information
949-421-6XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CSADLBK VLYNOCLLIKNOWN05/02/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
949-421-7XXXCANEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010SADLBK VLYANHMCACLCM612/06/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: ANHMCACLCM6))
🕘 Prefix History
🔎 Explore Carrier Information
949-421-8XXXCANEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010SADLBK VLYANHMCACLCM612/06/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: ANHMCACLCM6))
🕘 Prefix History
🔎 Explore Carrier Information
949-421-9XXXCANEW CINGULAR WIRELESS PCS, LLC (AT&T)0003291192RMD00369096010SADLBK VLYANHMCACLCM611/07/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: ANHMCACLCM6))
🕘 Prefix History
🔎 Explore Carrier Information
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.