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.
npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
630-213ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS000/00/0000Prefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
630-289ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS000/00/0000Prefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
630-372ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS000/00/0000Prefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
630-483ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS000/00/0000Prefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
630-540ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS000/00/0000Prefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
Thousands block for 630-540
630-540-0ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS0N/APrefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
630-540-1ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS0N/APrefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
630-540-2ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS0N/APrefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
630-540-4ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS0N/APrefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
630-540-5ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS0N/APrefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
630-540-7ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS0N/APrefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
630-540-9ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS0N/APrefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
630-736ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS000/00/0000Prefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
630-830ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS000/00/0000Prefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
630-837ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS000/00/0000Prefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-798ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS000/00/0000Prefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
Thousands block for 847-798
847-798-8ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS0N/APrefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
847-798-9ILILLINOIS BELL TEL CO (AT&T)9329BARTLETTBRTLILBTDS0N/APrefix Type: RBOC
Switch Name: BARTLETT
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info