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
618-365ILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CCOLLINSVLCOVLILCL0MD00/00/0000Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
618-365 is split into 1,000-number blocks - detail below
618-365-6XXXILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CCOLLINSVLCOVLILCL0MD09/07/2005Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
618-408ILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CBECKEMEYERCOVLILCL0MD03/02/2011Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
618-408 is split into 1,000-number blocks - detail below
618-408-7XXXILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CBECKEMEYERCOVLILCL0MD03/04/2011Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
618-574ILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CAVISTONCOVLILCL0MD12/07/2009Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
618-574 is split into 1,000-number blocks - detail below
618-574-7XXXILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CAVISTONCOVLILCL0MD12/08/2009Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
618-726ILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CO FALLONCOVLILCL0MD03/21/2006Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
618-726 is split into 1,000-number blocks - detail below
618-726-7XXXILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CO FALLONCOVLILCL0MD03/23/2006Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
618-844ILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CCARLYLECOVLILCL0MD02/15/2006Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
618-844 is split into 1,000-number blocks - detail below
618-844-5XXXILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CCARLYLECOVLILCL0MD09/19/2011Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
730-207ILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CIUKACOVLILCL0MD09/06/2023Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
730-207 is split into 1,000-number blocks - detail below
730-207-7XXXILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CIUKACOVLILCL0MD09/06/2023Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
730-254ILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CBLUFORDCOVLILCL0MD07/15/2024Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 Prefix History
🔎 Explore Carrier Information
730-254 is split into 1,000-number blocks - detail below
730-254-7XXXILAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CBLUFORDCOVLILCL0MD07/15/2024Prefix Type: CLEC
Switch Name: COLLINSVILLE
Switch Type: N/A
LATA: St.Louis MO (520)
Tandem: N/A
🔧 Explore Switch(CLLI: COVLILCL0MD))
🕘 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.