Locate these Service Locations on a map >>
| Site Type | Country | City, State | Building Name | Address | ZIP Code |
|---|---|---|---|---|---|
| COB | United States | CHICAGO, IL | Madison Plaza | 200 WEST MADISON STREET | 60606 |
| COB | United States | CHICAGO, IL | 200 W Monroe St | 200 WEST MONROE STREET | 60606 |
| COB | United States | CHICAGO, IL | 203 N LaSalle St | 203 NORTH LASALLE STREET | 60601 |
| COB | United States | CHICAGO, IL | Michigan Plaza | 205 N MICHIGAN AVE | 60601 |
| COB | United States | CHICAGO, IL | 208 S LaSalle St | 208 SOUTH LASALLE STREET | 60604 |
| COB | United States | CHICAGO, IL | 216 West Jackson Bldg | 216 WEST JACKSON BOULEVARD | 60606 |
| COB | United States | CHICAGO, IL | Merchandise Mart Plaza | 222 MERCHANDISE MART PLAZA | 60654 |
| COB | United States | CHICAGO, IL | 222 N LaSalle St | 222 NORTH LASALLE STREET | 60601 |
| COB | United States | CHICAGO, IL | 222 S Riverside Plz | 222 SOUTH RIVERSIDE PLAZA | 60606 |
| COB | United States | CHICAGO, IL | USG Bldg | 222 WEST ADAMS STREET | 60606 |
| COB | United States | CHICAGO, IL | Brooks Bldg | 223 WEST JACKSON BOULEVARD | 60606 |
| COB | United States | CHICAGO, IL | Michigan Plaza | 225 NORTH MICHIGAN AVENUE | 60601 |
| COB | United States | CHICAGO, IL | 225 W Wacker Dr | 225 WEST WACKER DRIVE | 60606 |
| COB | United States | CHICAGO, IL | 225 W Washington St | 225 WEST WASHINGTON STREET | 60606 |
| COB | United States | CHICAGO, IL | AT&T Corporate Center 1 | 227 WEST MONROE STREET | 60606 |
| COB | United States | CHICAGO, IL | 230 W Monroe St | 230 WEST MONROE STREET | 60606 |
| COB | United States | CHICAGO, IL | Two Illinois Center | 233 NORTH MICHIGAN AVENUE | 60601 |
| COB | United States | CHICAGO, IL | Willis Tower | 233 SOUTH WACKER DRIVE | 60606 |
| COB | United States | CHICAGO, IL | 30 N LaSalle St | 30 NORTH LASALLE STREET | 60602 |
| COB | United States | CHICAGO, IL | 30 S Wacker Dr | 30 SOUTH WACKER DRIVE | 60606 |
Legend:
CNDC: Carrier Neutral Data Center
CDC: Cogent Data Center
COB: Corporate Office Building
CDC: Cogent Data Center
COB: Corporate Office Building