Looking up a complete telephone number? Try Number Sleuth, a simplified interface for this lookup.

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
281-271TXLEVEL 3 COMMUNICATIONS, LLC - TX (Lumen Technologies, Inc)0015338122RMD00061126114DEER PARKHSTQTX02XMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTQTX02XMD))
🕘 Prefix History
🔎 Explore Carrier Information
281-271 is split into 1,000-number blocks - detail below
281-271-1XXXTXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T)0003291192RMD00369096534DEER PARKHSTNTX01GT503/01/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTX01GT5))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
281-271-2XXXTXNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T)0003291192RMD00369096534DEER PARKHSTNTX01GT501/03/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTNTX01GT5))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
281-271-3XXXTXONVOY, LLC - TX (Sinch)0004323028RMD0001966903CDEER PARKNOCLLIKNOWN11/02/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
281-271-4XXXTXLEVEL 3 COMMUNICATIONS, LLC - TX (Lumen Technologies, Inc)0015338122RMD00061126114DEER PARKHSTQTX02XMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTQTX02XMD))
🕘 Prefix History
🔎 Explore Carrier Information
281-271-5XXXTXBANDWIDTH.COM CLEC, LLC - TX (Bandwidth Inc.)0017042060RMD0003709004FDEER PARKNOCLLIKNOWN02/25/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
281-271-6XXXTXONVOY SPECTRUM, LLC (Sinch AB)0024415002RMD0002045624HDEER PARKNOCLLIKNOWN09/18/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
281-271-7XXXTXONVOY SPECTRUM, LLC (Sinch AB)0024415002RMD0002045624HDEER PARKNOCLLIKNOWN09/18/2024Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
281-271-8XXXTXMCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX (Verizon Communications)0004999405RMD00029577239DEER PARKHSTOTX46DS011/18/2004Prefix Type: CLEC
Switch Name: HOUSTON
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: HSTOTX46DS0))
🕘 Prefix History
🔎 Explore Carrier Information
281-271-9XXXTXTERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)0021193057RMD0001495145JDEER PARKNOCLLIKNOWN07/02/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Houston TX (560)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 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.