Lumen: 710 E Mifflin St

Latest Podcast 710 E Mifflin St
Operational
Fully operational facility
Operated by:

Lumen: 710 E Mifflin St

Year Built: 2014
Utility Provider: Madison Gas and Electric
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Map and Nearby Locations

710 E Mifflin St
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Lumen: 710 E Mifflin St Power Growth Over Time

+0% since 2022
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Sites within 15 miles of Lumen: 710 E Mifflin St

Distance Site About
0.71 miles AT&T: 122 W Main St
0.72 miles US Signal: WI01 Madison
US Signal's WI01 data center occupies Suite 1 of the Network222 carrier hotel on Madison's Capitol Square and anchors the company's Wisconsin fiber network.
0.73 miles Network222
Network222 is the ten-story carrier hotel at 222 West Washington Avenue on Madison's Capitol Square. It houses the 5NINES and US Signal data centers and a Madison Internet Exchange (MadIX) switch.
0.74 miles 5Nines
5NINES runs a colocation data center in Suite 170 of Network222, the carrier hotel at 222 West Washington Avenue in downtown Madison, Wisconsin. ResTech Services has owned the 5NINES data center business since October 2023.
1.20 miles Lumen Madison 1
Lumen Madison 1 is a Lumen colocation and network site in the Sunkist Building at 612 West Main Street in Madison, Wisconsin.
1.52 miles AT&T: 1001 Spring St
1.61 miles UW-Madison: DoIT Data Center
UW-Madison's DoIT data center fills the basement of the Computer Sciences and Statistics building at 1210 West Dayton Street. It hosts campus research computing and one of the two Madison Internet Exchange (MadIX) switches.
2.13 miles AT&T: 215 Kedzie St
3.12 miles AT&T: 2802 Sylvan Ave
3.34 miles AT&T: 729 Pflaum Rd
3.72 miles T-Mobile: Madison
4.64 miles Dane County Data Exchange I
Dane County Data Exchange I is a carrier-neutral data center building at 4916 East Broadway in Madison, Wisconsin, home to EdgeConneX's Madison edge data center and shell space for lease.
4.64 miles EdgeConnex Madison
EdgeConneX's MAD01 edge data center occupies a pod in the Dane County Data Exchange I building at 4916 East Broadway in Madison, Wisconsin.
5.38 miles Wisconsin DET: Femrite Data Center
The Femrite Data Center at 5830 Femrite Drive in Madison is the State of Wisconsin's primary data center, run by the Department of Administration's Division of Enterprise Technology since 2006.
5.44 miles AT&T: 2002 Reetz Rd
5.74 miles CDW: Fitchburg
Berbee Information Networks opened its first data center in 1999 at its headquarters at 5520 Research Park Drive in Fitchburg, Wisconsin. CDW bought Berbee in 2006 and later closed the data center; Promega bought the building in 2024.
6.42 miles US Signal: WI02 Madison
US Signal's WI02 data center at 5515 Nobel Drive in Fitchburg, just south of Madison, Wisconsin, is the largest colocation facility in the Madison market. US Signal bought it with OneNeck from TDS in 2024.
6.85 miles TDS: 1912 Parmenter St, Middleton
7.03 miles American Family Insurance: Madison HQ
American Family Insurance runs an enterprise data center at its national headquarters campus at 6000 American Parkway in Madison, Wisconsin.
7.40 miles SupraNet Madison
SupraNet runs a SOC 2 Type II colocation data center at 8000 Excelsior Drive on Madison's west side, serving more than 100 customers.
7.67 miles TDS: Middleton Data Center
The former TDS Data Center occupies Suite 230 of the Wisconsin Trade Center office building at 8401 Greenway Boulevard in Middleton, Wisconsin. TDS has since left, and the landlord markets the suite for lease.
9.55 miles QBE: Sun Prairie
QBE's former data center sits in Building 300 of its former General Casualty campus at 1 QBE Way in Sun Prairie, Wisconsin. QBE sold the campus in 2025, and the space is now marketed for lease.
10.91 miles Verizon: 117 N Bristol St, Sun Prairie
11.27 miles Epic Systems: Verona
Epic Systems' primary data center is an underground facility on the company's Verona, Wisconsin, campus that hosts electronic health records for Epic's client health systems.
11.61 miles Brightspeed: 145 E Holum St, DeForest
12.57 miles QTS: Vienna Expansion
Later phases of QTS Data Centers' proposed campus in the Town of Vienna, Wisconsin, withdrawn in 2026 when QTS chose a site in Iowa.
12.58 miles QTS: Vienna, Wisconsin
QTS Data Centers proposed a large data center campus in the Town of Vienna, north of Madison, Wisconsin, in 2025. It withdrew in 2026 and chose a site in Iowa.
18.87 miles MHTC: 200 E Main St, Mount Horeb

Operating Company

Operated by:

The combined company of CenturyLink and Level(3) has one of the largest networks in the world.

The combined company of CenturyLink and Level 3 is a patchwork of data centers that span over Europe, North America, and Latin America. The data centers came through acquisitions that include Global Crossing (2011) and TW Telecom (2014).

A Timeline of Level 3 Acquisitions

  • 2020: CenturyLink rebrands as Lumen Technologies
  • 2017: CenturyLink acquired Level 3's data centers and network for $34 billion
  • 2015: Black Lotus (for Level3's DDoS mitigation product)
  • 2014 Level 3 acquired TW Telecom for $5.7 billion
  • 2012 Level 3 acquired Voxility
  • 2011 Level 3 acquired Global Crossing (GX) for $2.0 Billion
  • 2007: Level(3) acquired Broadwing for $1.4 billion
  • 2006: Level(3) acquired Progress Telecom for $137 million
  • 2006: Level3 acquired Looking Glass Networks for $96 million
  • 2006: Level3 acquired Telcove (Adelphia Business Solutions) for $1.2 billion
  • 2006: Level3 acquired ICG Communications for $163 million
  • 2005: Level 3 acquired WilTel for $680 million
  • 2002: Level3 acquired Genuity for $242 million
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News See all

Read Lumen Appoints Jim Fowler as CTO
Lumen Appoints Jim Fowler as CTO

Lumen Appoints Jim Fowler as CTO

December 11, 2025 Lumen Technologies

Lumen Technologies has appointed Jim Fowler as its executive vice president and chief technology and product officer. The new CTO is to succeed Dave Ward, who is leaving Lumen to become president and chief architect at Salesforce. Starting from January 6, Fowler will manage global technology and...

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Read Lumen secures new contract from GAO
Lumen secures new contract from GAO

Lumen secures new contract from GAO

April 15, 2024 Lumen Technologies

Lumen Technologies has secured a contract worth about $73.6 million from the US Government Accountability Office (GAO) under the General Services Administration's Enterprise Infrastructure Solutions (EIS) program. This multi-million dollar contract will see Lumen modernize network, data,...

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Read US Defense Information Systems Agency awards $110 million contract to Lumen
US Defense Information Systems Agency awards $110 million contract to Lumen

US Defense Information Systems Agency awards $110 million contract to Lumen

November 10, 2023 Lumen Technologies

The US Defense Information Systems Agency has awarded Lumen Technologies a $110 million contract to provide mission-critical network services to the US Department of Defense (DoD). This contract has a timeline of five years, from November 30, 2023, through September 30, 2028. This contract is an...

Read more
Read Lumen sells CND customers to Akamai as it shuts down the business
Lumen sells CND customers to Akamai as it shuts down the business

Lumen sells CND customers to Akamai as it shuts down the business

October 16, 2023 Lumen Technologies

Lumen announced that it’s Content Delivery Network (CDN) business will be shut down and it has sold its customer contracts to Akamai. Both companies will undergo a transition services agreement for 90 days before Lumen completes its shut down. "We are deep into our transformation of Lumen...

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Read Lumen, a US telco, loses $8.74bn due to non-cash impairment
Lumen, a US telco, loses $8.74bn due to non-cash impairment

Lumen, a US telco, loses $8.74bn due to non-cash impairment

August 03, 2023 Lumen Technologies

In the second quarter, Lumen Technologies reported a loss of $8.74 billion, a significant decrease from the $344 million profit in the same quarter last year. The company, formerly CenturyLink Enterprise, has lost more than 66 percent of its value this year, reducing its market capitalization to...

Read more
Read More News

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