All DMZ Keys and Locations - Call of Duty: Modern Warfare 4 Guide - IGN

You'll find several unique and special keys while playing Call of Duty: Modern Warfare 4 's DMZ map. These keys unlock special locations that you can find while playing, which unlock rooms you otherwise cannot access. Inside, there's plenty of worthwhile loot for you to receive, and they'll have you desperately seeking out an extraction point to return back to your base camp. In this guide, we'll be breaking down all of the available keys you can get and their location in MW4's DMZ map.

Every Key and Unlock Locations in MW4's DMZ

Here's a full graph with the available keys that you can loot for each particular region, and where you can use them in that area. A handful of these keys can appear in different regions, like the Black Market Weapon Lockers and the Gun Store Locker keys.