{"id":98742,"date":"2026-11-11T02:04:05","date_gmt":"2026-11-10T18:04:05","guid":{"rendered":"https:\/\/sgbuzz.com\/?p=98742"},"modified":"2026-11-11T02:04:05","modified_gmt":"2026-11-10T18:04:05","slug":"dmz-key-and-locations-in-modern-warfare-4","status":"publish","type":"post","link":"https:\/\/sgbuzz.com\/?p=98742","title":{"rendered":"DMZ key and locations in Modern Warfare 4"},"content":{"rendered":"


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There are loads <\/em>of DMZ keys in <\/strong>Call of Duty: Modern Warfare 4<\/em><\/strong>. Used to open both locked containers and locked doors, keys are your fast-track to getting your hands on some of the best loot the extraction mode has to offer. However, when you receive a key, you’re only given a brief description of where to use it, so we’re going to outline where you can use every key the game has to offer.<\/p>\n

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Here are all the keys we’ve found in Modern Warfare 4’s<\/em> <\/em>DMZ mode and where to use them, listed in alphabetical order by the name of the key.<\/p>\n

Note that this guide is a work-in-progress, so if the key you’re looking for isn’t listed here, check back soon.<\/p>\n\n

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\n Blackmarket weapons locker key
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\"The\n <\/picture>Graphic: Ford James\/Polygon Source images: Infinity Ward\/Activision via Polygon<\/small><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n

The blackmarket weapons locker key can be used in two different locations in Hajin. Look for the blackmarket weapons store<\/strong>, identifiable by its iron wrought gates and red advert on the roof. One of them is in southern Deadtown, while the other is in eastern Hanrin Village. Go to the basement to find two lockers at each location, so if you have a second blackmarket weapons locker key, it’s worth bringing with you.<\/p>\n\n

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\n Coin mining den key
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Along with finding it as loot in Hajin, the coin mining den key can also be obtained by completing the “Operating Shopping Hacks” story mission. It opens a door on the third floor of an otherwise unassuming building directly north of the Netshin Tech Complex <\/strong>and east of the gas station found to the west of the NuriGO Mall. Inside, you’ll find a number of lootable containers, including plenty of server racks, which are handy for electronic sensors.<\/p>\n\n

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\n Counting room vault key
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Completing the “Operation Silent Ledger” story mission will net you the counting room vault key, but to use it, you’ll need to go back into the casino<\/strong>. Our dedicated guide explains exactly where to go, but briefly, you’ll want to take an immediate right-hand turn as you enter through the main entrance then go through the brown door in the following corridor. You’ll find a bunch of safes, loose cash, and containers inside.<\/p>\n\n

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\n Executive arms auction key
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\"The\n <\/picture>Graphic: Ford James\/Polygon Source images: Infinity Ward\/Activision via Polygon<\/small><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n

The executive arms auction key can be used inside the DBN Headquarters building<\/strong>, which is the tallest skyscraper inside The Grid. If you choose the “Operation Shopping Hacks” mission, you’ll spawn nearby. This place is highly fortified, so there are loads of enemies around, and to find the locked room, you’ll need to use the various elevators and ziplines dotted around to go to the very top floor (but not the roof). Here, you’ll find the locked door pictured above.<\/p>\n\n

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\n Gangbyeong apartment A key
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The Gangbyeong apartment A key can be used on an apartment block at the northeastern end of Hajin River Heights.<\/strong> The building is next to the compound, and is the one that is perpendicular to the river to the south. If you need to get inside Gangbyeon apartment A without the key, then you can descend into the parking lot below and search for the staircase that will take you up inside the apartment block.<\/p>\n\n

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\n Gangbyeon apartment B key
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\"The\n <\/picture>Graphic: Ford James\/Polygon Source images: Infinity Ward\/Activision via Polygon<\/small><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n

The key for Gangbyeon apartment B can usually be found inside Gangbyeon apartment A, which is quite handy. I found it on top of a table in one of the apartments. Gangbyeon apartment B is the building right next to apartment A<\/strong>, running parallel to the river. The key can be used to get inside either the first floor, the basement, or the roof, and if you have the militia arms depot key, you’ll need to get inside apartment B first. Apartment B has several apartments to explore, full of decent loot.<\/p>\n\n

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\n Gorani’s scout overlook
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\"The\n <\/picture>Graphic: Ford James\/Polygon Source images: Infinity Ward\/Activision via Polygon<\/small><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n

Southeast of Imjin Farmland <\/strong>is where you’ll find the mill stronghold, and in the very center of this point of interest is a tower. Enter via the door at the bottom to find a parkour section, where you must clamber from ledge to ledge in order to ascend. At the very top are two doors next to each other, both of which require Gorani’s scout overlook key.<\/p>\n\n

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\n Gun store weapons locker key
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\"The\n <\/picture>Graphic: Ford James\/Polygon Source images: Infinity Ward\/Activision via Polygon<\/small><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n

Much like the blackmarket weapons locker key, there are two locations for the gun store weapons locker key, and each location has multiple lockers inside. The gun stores<\/strong> can be found in western Cheongun Village and northern Songdo Wharf<\/strong>. Each of them has an arched red brick roof and a sign above the entrance depicting a cartoon character. In the basement, you’ll find multiple lockers that the keys can be used on.<\/p>\n\n

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\n Hanex guard station key
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\"The\n <\/picture>Graphic: Ford James\/Polygon Source images: Infinity Ward\/Activision via Polygon<\/small><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n

The Hanex guard station key is used inside the bank within The Grid<\/strong>, which is the slightly smaller building next to the DBN Headquarters, which is the tallest building there. Go inside and take a zipline to the roof, then go down one floor to find the bank’s vault. The locked door inside this room, pictured above, is where you can use the Hanex guard station key.<\/p>\n\n

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\n Hoesik supply room
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\"The\n <\/picture>Graphic: Ford James\/Polygon Source images: Infinity Ward\/Activision via Polygon<\/small><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n

At the Imjin Mill, southeast of Imjin Farmland, there’s a rectangular building on the other side of the barbed wire fence to the road<\/strong>. On the second floor of this building, there’s a locked door leading to the Hoesik supply room.<\/p>\n\n

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\n Imjin mill foreman’s office
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\"The\n <\/picture>Graphic: Ford James\/Polygon Source images: Infinity Ward\/Activision via Polygon<\/small><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n

Inside the Imjin Mill, southeast of Imjin Farmland<\/strong>, the foreman’s office can be found on the second floor. It’s right next to the short walkway with a window that you can jump through if you climb up the crates, and is marked with a sign that says “office” next to the wooden door.<\/p>\n\n

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\n Militia arms depot key
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\"The\n <\/picture>Graphic: Ford James\/Polygon Source images: Infinity Ward\/Activision via Polygon<\/small><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n

The militia arms depot is located inside Gangbyeon apartment B, which is northeast of Hajin River Heights<\/strong>. Once you’ve got the key for apartment B, which can usually be found inside apartment A (details on those keys above, including how to get into apartment A without a key), you’ll find the locked door for the militia arms depot on the first floor. Inside is an apartment with loads of locked containers and high-tier loot.<\/p>\n\n

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\n Mirae electrical room key
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You’ll receive the Mirae electrical room key <\/strong>upon completing “Operation Critical Extraction,” which is the story mission where you must escort a high-value target out of the general hospital. This key unlocks a room in the underground parking lot for the hospital<\/strong>, which can be found by going to the northwestern corner<\/strong>. Enter through a door at the back and follow the signs for parking, which will lead you to a parking lot with purple walls. At the back is a room with iron bars over the windows and “danger” above the door, which can be unlocked with the key.<\/p>\n\n

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\n Police station armory key
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The police station armory key is one of the most common keys in DMZ, as it opens armories in all five police stations in Hajin<\/strong>. The map above shows all the locations. In each police station, the armory can be found in the basement, where you’ll find weapon crates and other locked containers.<\/p>\n\n

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\n Re-education center annex
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\"The\n <\/picture>Graphic: Ford James\/Polygon Source images: Infinity Ward\/Activision via Polygon<\/small><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n

In Deadtown<\/strong>, the re-education center is the most notable landmark, as it’s the most central building <\/strong>and it has a sprawling underground section. On its south side, you’ll see it has a small building attached. The door for this is on the first floor, aka ground level, near the stairs leading down into the basement.<\/p>\n\n

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\n Underground propaganda store room
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\"The\n <\/picture>Graphic: Ford James\/Polygon Source images: Infinity Ward\/Activision via Polygon<\/small><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n

The re-education center annex in Deadtown has a big underground section that connects it with the building to the northwest<\/strong>, and in the center is a long corridor with a series of blue doors. The central one can be opened with the underground propaganda store room key, and while there isn’t much to loot in here, you can pull a lever to unlock another locked door nearby.<\/p>\n

We’re updating this guide with more keys as we find them, so check back soon.<\/p>\n<\/p><\/div>\n


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