This is a list of all the codes I can find online so far.
Please add to it but be sure to show proving evidene for your code so I know it's not a spoof. Thanks!
Debriefing Safe Neuromod Division 5150
Morgan Yu's Office Talos I Lobby 0451
Security Safe Talos I Lobby 0526
Holding Room Talos I Lobby 1129
I.T. Department Talos I Lobby 0913
Dr. DeVries' Safe Talos I Lobby 7324
Dr. Thorstein's Safe Hardware Labs 9954
Armory Psychotronics 8714
Dr. Calvino's Safe Crew Quarters 0523
Dr. Igwe's Cargo Container Talos I Exterior 2312
Reactor Room Power Plant 3845

These codes are subject to change but here's how to get them

Password/Keycode Location How to Find
Marco Simmons' Password Neuromod Division: Simulation Debriefing Password is in the note attached to Simmons' workstation.
Security Booth Keycode Neuromod Division: Foyer When you return here later in the game, grab the note beside Divya Naaz's body.
Security Station Password Neuromod Division: Foyer Found on the same note beside Divya's Naaz's body.
Jason Chang's Password Talos I Lobby: Executive Offices Read the note attached to Jason Chang's workstation.
Volunteer Quarters Keycode Talos I Lobby: Executive Offices Read Volunteer Attitude email attached to Bianca Goodwind's workstation.
Pilot's Lounge Keycode Talos I Lobby: Staff Lounge Listen to the "This Isn't a Drill" found on Octavia Figgss' TranScribe.
Director Thorstein's Office Keycode Hardware Labs: Thadeus York's Workstation Read the email: "You're in Charge."
Group: Small Scale Testing Password Hardware Labs: Small Scale Testing Search the floor for a clipboard and read the attached note.
Machine Shop Supply Closet Keycode Hardware Labs: Small Scale Testing Read the email: "If You Need Supplies." It's on the Small Scale Testing workstation.
Ballistics Lab Key Safe Keycode Hardware Labs: Ballistics Lab Found in a note in the corner, beneath a grate. (Leverage I required)
Machine Shop Supply Closet Keycode Talos I Exterior Listen to the "First Thing Tomorrow" recording found in Dr. Calvino's TranScribe.
Armory Keycode Psychotronics: Armory Let Aaron Ingram live.
Maintenance Tunnel Keycode G.U.T.S.: Maintenance Tunnel Grab the note from Kimberly Bomo's body.
Magnetosphere Control Room Safe Keycode G.U.T.S.: Magnetosphere Restroom Move toilet paper roll on the shelf in the restroom to find a note.
Julien Howard's Password Arboretum Read the note near Iris Stein's body.
Fitness Center Keycode Crew Quarters: Concierge Find the Security Station and read the email: "New Gym Code."
Abigail Foy's Password Crew Quarters: Abigail Foy's Cabin Look under Abigail's desk to find a note.
Calvino's Safe Keycode Crew Quarters: Lorenzo Calvino's Cabin Listen to the "Calvino's Notes 3" audio log found on Calvino's workstation.
Fitness Center Keycode Crew Quarters: Cabins B Restroom Read the note found inside the restroom.
Mall Room Keycode Crew Quarters: Habitation Pods Read the note found in Anders Kilne's habitation pod.
Freezer Keycode Crew Quarters: Kitchen Watch the cook open up the freezer.
Executive Suites Keycode Crew Quarters: Will Mitchell's Cabin Go to Will Mitchell's workstation, and read the email: "Food Request for Alex."
Executive Suites Keycode Crew Quarters: Recycler Room Read the note attached to the table.
Executive Suites Keycode Crew Quarters: Fitness Center Go to Emma Beatty's workstation, and read the email: "Personal Training Session."
Stairwell Keycode Deep Storage: Corporate Information Technology Find the note near Zachary West's workstation.
Ivy Song's Password Deep Storage: Corporate Information Technology Find the note near Zachary West's workstation.
Deep Storage Safe Keycodes Deep Storage: Command Center Read the note behind Danielle Sho's workstation.
Gus Magill's Password Cargo Bay: Shipping and Receiving Lift the phone next next to Gus Magill's desk to find a note.
Cargo Bay A Security Safe Keycode Cargo Bay: Quartermaster's Office Talk to Sarah Elazar.
Parts Storage Keycode Power Plant: Monitoring Listen to the "Keycode Change: Parts Storage" audio log found on Duncan Krassikoff's TranScribe.
Price Broadway's Password Life Support: Water Treatment Facility Open the supply crate next to Price Broadway's workstation to find a note.
Life Support Storage Room Keycode Life Support: Oxygen Flow Control Room Read the note found in the Oxygen Flow Control room.
Security Station Safe Keycode Life Support: Main Lift Access Pick up the note on Erica Teague's body.
Bridge Safe Keycode Talos I Bridge: Captain's Loft Grab the book on Captain Loft's desk to find a note.

https://www.gamespot.com/articles/all-the-prey-passwords-and-keycodes/1100-6449840/

http://www.gamersheroes.com/game-guides/prey-keypad-code-card-guide-list-keypad-codes/