Input a CLLI:

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

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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
608-270WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS000/00/0000Prefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
Thousands block for 608-270
608-270-0WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-270-1WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-270-2WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-270-3WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-270-4WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-270-5WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-270-6WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-270-7WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-270-9WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-271WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS000/00/0000Prefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-273WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS000/00/0000Prefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-274WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS000/00/0000Prefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-275WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS000/00/0000Prefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-276WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS000/00/0000Prefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-277WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS000/00/0000Prefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-278WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS000/00/0000Prefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-288WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS000/00/0000Prefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-298WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS000/00/0000Prefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
Thousands block for 608-298
608-298-0WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-298-1WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-298-2WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-298-4WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
608-298-9WIWISCONSIN BELL INC (AT&T)9327MADISONMDSNWI16DS0N/APrefix Type: RBOC
Switch Name: MDSN BLACK OAK DR
Switch Type: DMS100
LATA: southwestern WI (354)
Tandem: MDSNWI1171T
Detailed Switch Info
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