altafiber: 209 W 7th

Latest Podcast 209 W 7th St
Operational
Fully operational facility
Operated by:

altafiber: 209 W 7th

Year Built: 1931
Utility Provider: Duke Energy Ohio
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Site History

  • 1931: The Cincinnati and Suburban Bell Telephone Company opened the building, with the world's longest straight switchboard.
  • 1995: The building was listed on the National Register of Historic Places.
  • 2021: Macquarie Infrastructure Partners bought Cincinnati Bell, which became altafiber in 2022.

Project Profile

  • Operator: altafiber
  • Role: main wire center for Cincinnati
  • Building: 332,984 sq ft on 0.8 acres

Map and Nearby Locations

209 W 7th St
altafiber Sites
Nearby Facilities

Sites within 15 miles of altafiber: 209 W 7th

Distance Site About
0.03 miles CyrusOne Cincinnati 7th Street
CyrusOne's CIN2 is Cincinnati's primary carrier hotel and switching facility, at 229 West 7th Street downtown. The 12-story building stands next to altafiber's (formerly Cincinnati Bell) main telephone exchange.
0.04 miles DataCanopy: Cincinnati, OH
Located in downtown, the CIN2 data center facility is used for production colocation, backup and recovery, and business continuity.
0.31 miles DartPoints: Cincinnati, OH
Conveniently located in the heart of Cincinnati, CVG01 provides immediate access to dense fiber routes and core network infrastructure.
0.49 miles H5 Cincinnati 360 Gest
The Cincinnati data center is home to several metro, long haul and telecommunications access providers such as AT&T, Inteliquent, Windstream and Zayo.
0.77 miles Lumen Cincinnati 1 (400 Pike)
1.04 miles Cogent: 1120 W 6th
1.07 miles Verizon: 1200 W 8th
1.09 miles H5 Cincinnati II
The 107,000 SF Cincinnati data center was originally developed by PNC Bank
1.32 miles Lumen Cincinnati (1428 West 8th)
4.68 miles WiredRE: i74 Wired
i74 Wired is a 65,000 sq ft multi-tenant office campus at 2300 Montana Avenue in Cincinnati with a first-generation enterprise data center. Built in 1973 as the headquarters of Cincom Systems, it was relaunched as i74 Wired around 2016 and was put up for sale in 2026.
5.04 miles CAI Investments: Ivorydale, St. Bernard
CAI Investments has proposed a data center of about 140,000 sq ft inside an existing building on part of the former Procter & Gamble Ivorydale complex at 5177 Spring Grove Avenue in St. Bernard, Ohio. In October 2026 the owner asked the city zoning board to table its request.
5.42 miles Encore Technologies NOR1
Encore Technologies' NOR1 data center sits at the company's headquarters at 4620 Wesley Avenue in Norwood, Ohio. The colocation facility offers 2N power, N+1 cooling and SOC 2 Type II compliance.
9.91 miles HPC Data CenterInterested in this information?Contact us Data center facility details are available on request.Interested in this information?Contact us
10.03 miles CyrusOne Kentucky
Although the data center is in Florence Kentucky, it is close to downtown Cincinnati.
10.91 miles altafiber: Evendale
altafiber (formerly Cincinnati Bell) central office at 10000 Reading Road in Evendale, Ohio. The 1963 building houses the switch that is becoming altafiber's single voice core as older switches retire.
11.73 miles CyrusOne Cincinnati-Carver Road (CIN99)
Enterprise data center at 9935 Carver Road in Blue Ash, Ohio, owned by The Kroger Co. CyrusOne listed the facility as CIN99 in its 2024 Ohio portfolio.
12.30 miles CyrusOne Cincinnati-Blue Ash
12.37 miles Cogent: Sharonville
13.97 miles Crane: Pierce Township, OH
Crane Data Centers has proposed a three-building data center campus on about 294 acres of wooded hillside in Pierce Township, Clermont County, Ohio, across US 52 from the former Beckjord power plant. The township trustees oppose the plan, and a township moratorium on data centers runs to May 2027.
14.44 miles Encore Technologies BLU1
14.90 miles CyrusOne Cincinnati-Goldcoast
Former CyrusOne colocation site (CIN98) at 11500 Goldcoast Drive in Sycamore Township, Ohio. The building sold to a new owner in 2019, and CyrusOne no longer operates the site.
15.18 miles Flexential Cincinnati 1 and 2
The Flexential sites are former Peak 10 facilities.
15.79 miles Lumen Cincinnati 4
16.56 miles GE Aerospace: Cincinnati Data Center
Enterprise data center at 8700 Governors Hill Drive in Symmes Township, near Cincinnati, Ohio, leased to General Electric. The 69,826 sq ft building dates to 1985 and sold to a new owner in 2021.
17.74 miles CyrusOne Cincinnati-Mason
19.57 miles LightHouse: Hamilton, OH
Withdrawn hyperscale data center proposal on a 29-acre city-owned parcel at 1380 University Boulevard in Hamilton, Ohio. Logistix Property Group started the project in 2024. LightHouse Data Centers and its parent Wharton Equity Partners took it over in 2025 and ended the city development agreement in May 2026.
19.67 miles CenterGrid: Hamilton
CenterGrid operates a colocation data center in the Vora Technology Park building at 101 Knightsbridge Drive in Hamilton, Ohio. The facility runs on City of Hamilton power with redundant feeds and two diesel generators.
19.67 miles CyrusOne Cincinnati-Hamilton
CyrusOne's CIN4 data center occupies about 83,000 sq ft of the Vora Technology Park building at 103 Knightsbridge Drive in Hamilton, Ohio, 30 minutes north of downtown Cincinnati. Miami University bought the building in 2024.

Operating Company

Operated by:

altafiber is the trade name of Cincinnati Bell Inc., a privately held telecommunications company owned by funds managed by Macquarie Asset Management since September 2021. The company is based in the Atrium Two building at 221 East Fourth Street in Cincinnati, Ohio, and is led by President and CEO Leigh R. Fox.

It is the incumbent local exchange carrier for Greater Cincinnati in Ohio, Kentucky and Indiana, where it provides fiber internet, voice and video service to homes and network, voice and wholesale carrier services to businesses. Its operating companies do business as altafiber Network Solutions and altafiber Extended Territories, and it also serves Hawaii through Hawaiian Telcom.

altafiber History:

  • In March 2022, Cincinnati Bell began doing business as altafiber in Ohio, Kentucky and Indiana.
  • In September 2021, funds managed by Macquarie completed the acquisition of Cincinnati Bell and took the company private.
  • In July 2018, Cincinnati Bell acquired Hawaiian Telcom.
  • In January 2013, Cincinnati Bell took its data center business public as CyrusOne.
  • Founded in 1873 in Cincinnati as the City and Suburban Telegraph Association.
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