Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

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-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
217-200 is split into 1,000-number blocks - detail below
217-200-6XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T07/18/2016Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-281 is split into 1,000-number blocks - detail below
217-281-2XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T03/01/2012Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-305 is split into 1,000-number blocks - detail below
217-305-5XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T08/27/2015Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-318 is split into 1,000-number blocks - detail below
217-318-6XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T08/04/2023Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-328 is split into 1,000-number blocks - detail below
217-328-6XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51TN/APrefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-328-7XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T01/13/2023Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-363 is split into 1,000-number blocks - detail below
217-363-7XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T05/09/2025Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-377ILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T00/00/0000Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-402 is split into 1,000-number blocks - detail below
217-402-4XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T07/24/2012Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-607 is split into 1,000-number blocks - detail below
217-607-6XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T06/21/2012Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-729 is split into 1,000-number blocks - detail below
217-729-6XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T07/12/2024Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-751 is split into 1,000-number blocks - detail below
217-751-2XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T01/20/2012Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-800 is split into 1,000-number blocks - detail below
217-800-3XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T06/20/2025Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-904 is split into 1,000-number blocks - detail below
217-904-9XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T09/01/2016Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-974 is split into 1,000-number blocks - detail below
217-974-5XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T08/22/2011Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
217-991 is split into 1,000-number blocks - detail below
217-991-2XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T08/26/2019Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
447-201 is split into 1,000-number blocks - detail below
447-201-2XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T08/29/2024Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
447-201-9XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T11/25/2025Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
447-446 is split into 1,000-number blocks - detail below
447-446-0XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T03/25/2024Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
447-895 is split into 1,000-number blocks - detail below
447-895-5XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T11/04/2024Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
447-895-6XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T01/08/2025Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
447-895-7XXXILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)0003291192RMD00369096534CHAMPAURBNCHMPILCP51T01/08/2025Prefix Type: WIRELESS
Switch Name: CHAMPAIGN URBANA
Switch Type: N/A
LATA: Champaign IL (370)
Tandem: N/A
🔧 Explore Switch(CLLI: CHMPILCP51T))
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.