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
707-244CAMCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA (Verizon Communications)0004999405RMD00029577240ST HELENAHYWRCAMCDS000/00/0000Prefix Type: CLEC
Switch Name: HAYWARD
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: HYWRCAMCDS0))
707-244 is split into 1,000-number blocks - detail below
707-244-0XXXCAPEERLESS NETWORK OF CALIFORNIA, LLC - CAN/A373FST HELENANOCLLIKNOWN08/30/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
707-244-1XXXCABANDWIDTH.COM CLEC, LLC - CA0017042060RMD0003709981EST HELENANOCLLIKNOWN05/22/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
707-244-2XXXCASONIC TELECOM, LLC - CA0016079766RMD0001812433EST HELENANOCLLIKNOWN11/28/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
707-244-3XXXCAMCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA (Verizon Communications)0004999405RMD00029577240ST HELENAHYWRCAMCDS009/10/2003Prefix Type: CLEC
Switch Name: HAYWARD
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: HYWRCAMCDS0))
707-244-4XXXCAMCIMETRO ACCESS TRANSMISSION SERVICES LLC0004999405RMD00029577229ST HELENAFRMTCAEDDS012/02/2004Prefix Type: CLEC
Switch Name: FREMONT
Switch Type: NORTEL DMS 500
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: FRMTCAEDDS0))
707-244-5XXXCAAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CST HELENANOCLLIKNOWN05/04/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
707-244-6XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CST HELENANOCLLIKNOWN12/04/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
707-244-7XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CST HELENANOCLLIKNOWN12/04/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
707-244-8XXXCAONVOY, LLC - CA (Sinch)0004323028RMD0001966649CST HELENANOCLLIKNOWN12/04/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
707-244-9XXXCABANDWIDTH.COM CLEC, LLC - CA0017042060RMD0003709981EST HELENANOCLLIKNOWN12/12/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: San Francisco CA (722)
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.