The register is a list of the sites DataCenterData has admitted, not a census of every U.S. data center.
- 0-9 55
- A 282
- B 85
- C 287
- D 212
- E 165
- F 87
- G 104
- H 66
- I 59
- J 10
- K 27
- L 105
- M 195
- N 95
- O 44
- P 193
- Q 47
- R 59
- S 220
- T 112
- U 28
- V 51
- W 49
- X 4
- Y 5
- Z 4
- Jailhouse Studios (former Hamilton County Jail)
- Jefferson Proving Ground Data Center
- Jet.AI Moapa Data Center Campus
- Joliet Technology Center
- Joule Energy and Data Center Campus
- JPMorgan Chase Data Center, Orangeburg
- Jumping Bison Greensburg Data Center
- Justified Data Campus
- J.G. Petrucci Allentown Data Center (1024 N. Bradford St.)
- JP Morgan Chase CDC 1