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.
npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
312-374ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
Thousands block for 312-374
312-374-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-374-1ILCOMCAST IP PHONE, LLC (Comcast)318JCHICGOZN01CHCGILNEXJX12/17/2012Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-374-2ILFIRST COMMUNICATIONS, LLC460KCHICGOZN01CHCGILWUX6X12/11/2012Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-374-3ILCOMCAST IP PHONE, LLC (Comcast)318JCHICGOZN01CHCGILNEXJX12/17/2012Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-374-4ILCOMCAST IP PHONE, LLC (Comcast)318JCHICGOZN01CHCGILNEXJX12/17/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-374-5ILACCESS ONE, INC. - IL5447CHICGOZN01NOCLLIKNOWN12/19/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-374-6ILONVOY, LLC (Sinch)224CCHICGOZN01NOCLLIKNOWN12/11/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-374-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-374-8ILCOMCAST IP PHONE, LLC (Comcast)318JCHICGOZN01CHCGILNEXJX12/15/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-374-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
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
Please see the Frequently Asked Questions page if you have any questions.
Copyright ©2001-2023, 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.