Warning: site is in maintainance mode, data may not be accurate and some queries may not work!
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
815-226ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS000/00/0000Prefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-227ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS000/00/0000Prefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
Thousands block for 815-227
815-227-0ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-227-1ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-227-2ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-227-3ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-227-4ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-227-5ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-227-6ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-227-8ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-227-9ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-229ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS000/00/0000Prefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-231ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS000/00/0000Prefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
Thousands block for 815-231
815-231-0ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-231-1ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-231-2ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-231-3ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-231-4ILTERRA NOVA TELECOM INC.145JROCKFORDRCFRILREDS010/17/2023Prefix Type: IPES
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-231-5ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-231-7ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-231-9ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-381ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS000/00/0000Prefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-387ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS000/00/0000Prefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-391ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS000/00/0000Prefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
Thousands block for 815-391
815-391-2ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-391-5ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-391-6ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-391-7ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-391-8ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-391-9ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-394ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS000/00/0000Prefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
Thousands block for 815-394
815-394-0ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-394-1ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-394-2ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-394-3ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-394-4ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-394-5ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-394-6ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-394-7ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-394-8ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-395ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS000/00/0000Prefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-397ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS000/00/0000Prefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-398ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS000/00/0000Prefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-399ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS000/00/0000Prefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-484ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS000/00/0000Prefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
Thousands block for 815-484
815-484-0ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-484-1ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-484-2ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-484-4ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-484-5ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-484-6ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-484-7ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-484-8ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info
815-484-9ILILLINOIS BELL TEL CO (AT&T)9329ROCKFORDRCFRILREDS0N/APrefix Type: RBOC
Switch Name: ROCKFORD EAST
Switch Type: DMS100
LATA: Rockford IL (360)
Tandem: RCFRILRT52T
Detailed Switch Info