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
858-261CAT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529DEL MARESCNCAKYGT002/18/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: ESCNCAKYGT0))
858-261 is split into 1,000-number blocks - detail below
858-261-0XXXCATWC IP ENABLED SERVICES, LLCN/A793KDEL MARNOCLLIKNOWN07/29/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
858-261-1XXXCANEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010DEL MARSNDGCA51CM309/09/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: SNDGCA51CM3))
858-261-2XXXCAU.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS0003733813RMD0003303671JDEL MARSNDKCA882MD10/22/2015Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: SNDKCA882MD))
858-261-3XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CDEL MARNOCLLIKNOWN04/15/2026Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
858-261-4XXXCANEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)0003291192RMD00369096010DEL MARSNDGCA51CM312/08/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: SNDGCA51CM3))
858-261-5XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CDEL MARNOCLLIKNOWN01/27/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
858-261-6XXXCALEVEL 3 COMMUNICATIONS, LLC - CA (Lumen Technologies, Inc)0015338122RMD00061128826DEL MARNOCLLIKNOWN11/11/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
858-261-7XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CDEL MARNOCLLIKNOWN01/27/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
858-261-8XXXCAT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529DEL MARESCNCAKYGT002/18/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: ESCNCAKYGT0))
858-261-9XXXCAT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529DEL MARESCNCAKYGT002/18/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: San Diego CA (732)
Tandem: N/A
🔧 Explore Switch(CLLI: ESCNCAKYGT0))
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.