NTT Phoenix PH3

Operating data center in 10256 E Elliot Rd, Mesa. Operated by NTT.

• Capacity: 50 MW
• Floor area: 235,550 sq ft
• Online since: 2025

Capacity: Estimate from a data center listing site. Cleanview project map, read October 7, 2026. The listing does not say what the figure measures.

Working here

Per-facility headcount is not published here: no reliable public figures exist for these sites, and construction announcements are not permanent employment. Open Arizona roles at this operator, where there are any, are listed on the operator's company page.

Rest of this campus

• NTT Phoenix PH1
  NTT · 10256 E Elliot Rd, Mesa · Operating · 36 MW
• NTT Phoenix PH2
  NTT · 10256 E Elliot Rd, Mesa · Operating · 50 MW · 235,550 sq ft
• NTT Phoenix PH4
  NTT · 10256 Elliot Rd, Bldg 4, Mesa · Proposed · 36 MW
• NTT Phoenix PH5
  NTT · Mesa · Proposed
• NTT Phoenix PH6
  NTT · Mesa · Proposed · 195,408 sq ft

Other NTT facilities in Arizona

• NTT Mesa PH10 (Pacific Proving site)
  NTT · Pecos Road and the Crismon Road alignment, Mesa · Proposed · 2.3M sq ft

News

Stories in Arizona AI's news feed that name this facility, newest first.

• May 17, 2026
  Japanese company s East Valley data center campus moves forward
  NTT Data Group acquired 173 acres in Mesa for a planned $300 million data center project, advancing development of the campus.
• May 17, 2026
  Japanese company's East Valley data center campus moves forward
  NTT Data Group Corp. has acquired 173 acres in Mesa for its $300 million data center project, allowing the massive development to move forward.

All Arizona AI news

How we know this

Compiled from public records and checked on 2026-10-07. Confidence in this record: high. Blank figures mean the number is not publicly established, not that it is zero.

Each statement on this page is listed with the page it came from and the words that say it. Sources open in a new tab.

• Status: Operating

  Note: The city certificate is for the building shell. One listing site says operational and another says planned.

  • [1] City of Mesa, City of Mesa Commercial Building Permits dataset, permit PMT22-19910 (read October 7, 2026): "status":"C of O Issued","description":"New 235,550 SF shell PH3 Data Center facility for NTT, owner.
  • [2] City of Mesa, City of Mesa Commercial Building Permits dataset, permit PMT23-14600 (read October 7, 2026): TI that includes the expansion of the mechanical & electrical systems to support NTT client's equipment in the Vault 2.2 space. "cofo_date":"2025-11-19T00:00:00.000"
  • [3] Baxtel, NTT PH3 Data Center (read October 7, 2026): 10256 E Elliot Rd Operational Fully operational facility

• Capacity: 50 MW

  Note: Only one listing site gives this figure, on a record it marks as planned.

  • [4] Cleanview, Data Centers in Arizona - Project List & Locations (read October 7, 2026): Map record 1026: NTT Phoenix PH3 | status Planned | capacityMw 50.4

• Floor area: 235,550 sq ft

  • [1] City of Mesa, City of Mesa Commercial Building Permits dataset, permit PMT22-19910 (read October 7, 2026): "status":"C of O Issued","description":"New 235,550 SF shell PH3 Data Center facility for NTT, owner.

• Online since: 2025

  Note: The city issued the certificate of occupancy for the building shell in November 2025.

  • [1] City of Mesa, City of Mesa Commercial Building Permits dataset, permit PMT22-19910 (read October 7, 2026): "status":"C of O Issued","description":"New 235,550 SF shell PH3 Data Center facility for NTT, owner. "cofo_date":"2025-11-13T00:00:00.000"
  • [2] City of Mesa, City of Mesa Commercial Building Permits dataset, permit PMT23-14600 (read October 7, 2026): "cofo_date":"2025-11-19T00:00:00.000"

• Location: 10256 E Elliot Rd, Mesa

  • [1] City of Mesa, City of Mesa Commercial Building Permits dataset, permit PMT22-19910 (read October 7, 2026): "property_address":"10256 E ELLIOT RD"
  • [3] Baxtel, NTT PH3 Data Center (read October 7, 2026): 10256 E Elliot Rd Operational Fully operational facility

• Mesa issued the certificate of occupancy for the 235,550 sq ft building shell on November 13, 2025, and for a client fit-out on November 19, 2025.

  • [1] City of Mesa, City of Mesa Commercial Building Permits dataset, permit PMT22-19910 (read October 7, 2026): "status":"C of O Issued","description":"New 235,550 SF shell PH3 Data Center facility for NTT, owner. "cofo_date":"2025-11-13T00:00:00.000"
  • [2] City of Mesa, City of Mesa Commercial Building Permits dataset, permit PMT23-14600 (read October 7, 2026): TI that includes the expansion of the mechanical & electrical systems to support NTT client's equipment in the Vault 2.2 space. "cofo_date":"2025-11-19T00:00:00.000"

• One listing site still lists it as planned.

  • [4] Cleanview, Data Centers in Arizona - Project List & Locations (read October 7, 2026): Map record 1026: NTT Phoenix PH3 | status Planned