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
951-487CAFRONTIER CALIFORNIA INC. (Verizon Communications)N/A2319HEMT SNJCSNJCCAXG65F00/00/0000Prefix Type: ICO
Switch Name: SAN JACINTO
Switch Type: GTD5EAX
LATA: Los Angeles CA (730)
Tandem: ONTRCAXP01T
🔧 Explore Switch(CLLI: SNJCCAXG65F))
🕘 Prefix History
🔎 Explore Carrier Information
951-487 is split into 1,000-number blocks - detail below
951-487-0XXXCAFRONTIER CALIFORNIA INC. (Verizon Communications)N/A2319HEMT SNJCSNJCCAXG65FN/APrefix Type: ICO
Switch Name: SAN JACINTO
Switch Type: GTD5EAX
LATA: Los Angeles CA (730)
Tandem: ONTRCAXP01T
🔧 Explore Switch(CLLI: SNJCCAXG65F))
🕘 Prefix History
🔎 Explore Carrier Information
951-487-1XXXCAFRONTIER CALIFORNIA INC. (Verizon Communications)N/A2319HEMT SNJCSNJCCAXG65FN/APrefix Type: ICO
Switch Name: SAN JACINTO
Switch Type: GTD5EAX
LATA: Los Angeles CA (730)
Tandem: ONTRCAXP01T
🔧 Explore Switch(CLLI: SNJCCAXG65F))
🕘 Prefix History
🔎 Explore Carrier Information
951-487-2XXXCAFRONTIER CALIFORNIA INC. (Verizon Communications)N/A2319HEMT SNJCSNJCCAXG65FN/APrefix Type: ICO
Switch Name: SAN JACINTO
Switch Type: GTD5EAX
LATA: Los Angeles CA (730)
Tandem: ONTRCAXP01T
🔧 Explore Switch(CLLI: SNJCCAXG65F))
🕘 Prefix History
🔎 Explore Carrier Information
951-487-3XXXCAFRONTIER CALIFORNIA INC. (Verizon Communications)N/A2319HEMT SNJCSNJCCAXG65F04/27/2005Prefix Type: ICO
Switch Name: SAN JACINTO
Switch Type: GTD5EAX
LATA: Los Angeles CA (730)
Tandem: ONTRCAXP01T
🔧 Explore Switch(CLLI: SNJCCAXG65F))
🕘 Prefix History
🔎 Explore Carrier Information
951-487-4XXXCAUTILITY TELECOM GROUP, LLC - CA0024994311RMD00026709262HEMT SNJCNOCLLIKNOWN05/12/2006Prefix 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
951-487-5XXXCAMETROPCS NETWORKS, LLC (T-Mobile US, Inc)N/A899DHEMT SNJCRVSDCAYAGT105/26/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Los Angeles CA (730)
Tandem: N/A
🔧 Explore Switch(CLLI: RVSDCAYAGT1))
🕘 Prefix History
🔎 Explore Carrier Information
951-487-6XXXCAFRONTIER CALIFORNIA INC. (Verizon Communications)N/A2319HEMT SNJCSNJCCAXG65FN/APrefix Type: ICO
Switch Name: SAN JACINTO
Switch Type: GTD5EAX
LATA: Los Angeles CA (730)
Tandem: ONTRCAXP01T
🔧 Explore Switch(CLLI: SNJCCAXG65F))
🕘 Prefix History
🔎 Explore Carrier Information
951-487-7XXXCAFRONTIER CALIFORNIA INC. (Verizon Communications)N/A2319HEMT SNJCSNJCCAXG65FN/APrefix Type: ICO
Switch Name: SAN JACINTO
Switch Type: GTD5EAX
LATA: Los Angeles CA (730)
Tandem: ONTRCAXP01T
🔧 Explore Switch(CLLI: SNJCCAXG65F))
🕘 Prefix History
🔎 Explore Carrier Information
951-487-8XXXCAFRONTIER CALIFORNIA INC. (Verizon Communications)N/A2319HEMT SNJCSNJCCAXG65FN/APrefix Type: ICO
Switch Name: SAN JACINTO
Switch Type: GTD5EAX
LATA: Los Angeles CA (730)
Tandem: ONTRCAXP01T
🔧 Explore Switch(CLLI: SNJCCAXG65F))
🕘 Prefix History
🔎 Explore Carrier Information
951-487-9XXXCAFRONTIER CALIFORNIA INC. (Verizon Communications)N/A2319HEMT SNJCSNJCCAXG65FN/APrefix Type: ICO
Switch Name: SAN JACINTO
Switch Type: GTD5EAX
LATA: Los Angeles CA (730)
Tandem: ONTRCAXP01T
🔧 Explore Switch(CLLI: SNJCCAXG65F))
🕘 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.