Warning: site is in maintainance mode, data may not be accurate and some queries may not work!
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
858-209CAT-MOBILE USA, INC.N/A6529DEL MARESCNCAKYGT005/22/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: ESCNCAKYGT0))
🕘 Prefix History
🔎 Explore Carrier Information
858-209 is split into 1,000-number blocks - detail below
858-209-0XXXCANEW CINGULAR WIRELESS PCS, LLCN/A6010DEL MARNOCLLIKNOWN07/17/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
858-209-1XXXCANEW CINGULAR WIRELESS PCS, LLCN/A6010DEL MARNOCLLIKNOWN10/05/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
858-209-2XXXCACOMCAST PHONE OF CALIFORNIA, LLCN/A394LDEL MARNOCLLIKNOWN09/28/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
858-209-3XXXCANEW CINGULAR WIRELESS PCS, LLCN/A6010DEL MARNOCLLIKNOWN12/08/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
858-209-4XXXCANEW CINGULAR WIRELESS PCS, LLCN/A6010DEL MARNOCLLIKNOWN05/18/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
858-209-5XXXCAT-MOBILE USA, INC.N/A6529DEL MARESCNCAKYGT004/06/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: ESCNCAKYGT0))
🕘 Prefix History
🔎 Explore Carrier Information
858-209-6XXXCAT-MOBILE USA, INC.N/A6529DEL MARESCNCAKYGT012/07/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: ESCNCAKYGT0))
🕘 Prefix History
🔎 Explore Carrier Information
858-209-7XXXCAT-MOBILE USA, INC.N/A6529DEL MARESCNCAKYGT012/07/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: ESCNCAKYGT0))
🕘 Prefix History
🔎 Explore Carrier Information
858-209-8XXXCAT-MOBILE USA, INC.N/A6529DEL MARESCNCAKYGT009/26/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: ESCNCAKYGT0))
🕘 Prefix History
🔎 Explore Carrier Information
858-209-9XXXCAT-MOBILE USA, INC.N/A6529DEL MARESCNCAKYGT005/22/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: ESCNCAKYGT0))
🕘 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.