Learn the lingo

What is a Code Green in a supermarket? Let's decode 10 secret store calls

Ever heard a mysterious "Code Yellow" or "Code 50" over a store loudspeaker and wondered if you should keep shopping or head for the exit? Retailers use coded announcements to communicate quickly without broadcasting every detail to customers. There’s no universal codebook, so the meanings can change from one chain to another, and some operational codes even vary by location. Here are 10 codes you might hear while shopping and what they can mean.

At Walmart, hearing "Code Black" isn't a commentary on the day's sales. Company emergency documentation identifies it as the warning for severe weather, alerting employees that potentially dangerous conditions require attention.

That might mean the sort of storm that makes staying inside safer than heading for the parking lot. Walmart's documented emergency vocabulary also assigns other colors to specific dangers, allowing employees to quickly recognize the nature of a situation quickly without a lengthy announcement.

Orange has a very different meaning in Walmart's emergency system. Company documentation identifies Code Orange as a chemical spill or hazardous materials incident, a situation in which employees may need to secure an area and follow special safety procedures.

That's particularly relevant in a giant retailer selling everything from household cleaners to automotive products. So if you hear the mysterious phrase while debating which detergent to buy, it isn't necessarily time to panic, but employees nearby may suddenly have something more pressing to handle.

At Target, Code Yellow is associated with a missing child. Employee accounts describe it as an announcement that quickly changes everyone's priorities: staff receive information about the child, begin looking around the store, and pay particular attention to exits.

It's a reminder that these seemingly cryptic announcements can have a practical purpose. Instead of publicly announcing sensitive details over the loudspeaker, a short code immediately tells trained employees what kind of response is needed while avoiding unnecessary confusion among shoppers.

This one is considerably easier to guess. Target employees have consistently described Code Red as the store's fire alert. Once it's announced, employees know they're dealing with something very different from an ordinary customer-service request.

Red has a similar association elsewhere, but don't assume retail colors form a universal language. Different companies develop their own procedures and terminology. At Target, Red, Yellow and Green have traditionally distinguished three very different situations: fire, a missing child and a medical incident.

If Target employees suddenly start talking about a Code Green, somebody may need medical help. Long-running employee accounts identify Green with an injury or medical emergency involving a customer or team member.

Employees have recalled Code Greens being called for everything from falls to customers becoming seriously ill. That's also why the deliberately vague wording makes sense: announcing someone's private medical problem to an entire store would hardly help. Two words can instead alert the people who need to respond.

Thankfully, not every mysterious store code signals an emergency. At Lowe's, Code 50 is widely described by employees as a request for loading assistance, usually because a customer has bought something too large or heavy for one person to handle comfortably.

Considering what Lowe's sells, opportunities aren't exactly scarce. Lumber, appliances, bags of concrete, and other bulky purchases eventually have to make the journey from store to vehicle. Code 50 is essentially a discreet way of saying, "We need some extra muscle over here."

Here's another code that's far less alarming than it sounds. Lowe's employees have described Code 75 as a call to collect shopping carts from the parking lot. Available associates may suddenly find themselves heading outside to round up the wandering fleet.

Operational codes can vary between individual locations, so Code 75 isn't necessarily carved in stone at every Lowe's. Still, the mundane meaning makes it particularly fun. That ominous-sounding number coming over the PA may simply mean the cart corral is overflowing.

A Code 22 at IKEA might sound mysterious but, in fact, is used when checkout lines become overwhelmed.

Register-trained workers elsewhere in the store can then be summoned to help handle the rush. Employees have said the call is especially familiar during busy periods such as weekends. In other words, Code 22 is retail shorthand for something shoppers already know perfectly well: that line is getting much too long.

At Home Depot, employee accounts describe Code Orange as an "all hands" request when a department or area needs additional help. Rather than signaling a disaster, it can mean employees are being summoned because customers or work are piling up faster than the available staff can cope.

That's a perfect demonstration of why you shouldn't try decoding store announcements by color alone. Walmart uses Code Orange for a hazardous-material situation, while Home Depot workers have used the same color for additional assistance. Same words, considerably different levels of urgency.

Code 21 may sound like something out of a police drama, but at Walgreens, its reported purpose is much more ordinary. Employees describe it as a call for an eligible coworker when a cashier can't complete an age-restricted transaction because of age requirements.

The exact rules can depend on local law and company procedures, but the basic idea is quite mundane: the person operating the register needs another employee to finish a particular sale. So the next mysterious announcement you hear while shopping might not involve an emergency at all: it could simply be retail's secret language keeping the store moving.

The 12 longest-living animals on Earth (and how they cheat time)

Nature doesn’t just create beauty, it crafts survival miracles. While most animals have short lives, a rare few have mastered the art of staying alive for centuries, even millennia. These aren’t just long-lived creatures; they’re nature’s ultimate time travelers. From the frozen depths of the oceans to the darkest corners underground, they’ve developed bizarre, brilliant strategies to cheat death. Get ready to meet 12 animals whose lifespans will absolutely blow your mind.

Record age: up to 15,000 years

This unassuming sea sponge thrives in the freezing waters of Antarctica, where temperatures hover around 28.6 °F—so cold that biological processes hit the brakes. In such icy conditions, metabolism slows to a crawl, allowing these sponges to live for thousands of years.

Some have reached impressive sizes of over 3 feet tall and have been around since mammoths were still thundering across the tundra. They don’t move, they don’t stress, and they barely change, just quietly existing while centuries pass them by. Their secret to extreme longevity? Glacial patience, deep-sea stillness, and a lifestyle that redefines "low-maintenance".

Age: technically… infinite

This tiny jellyfish, no bigger than a fingernail—less than 0.2 inches—is like the ocean’s very own Benjamin Button. What makes it truly extraordinary is its ability to rewind its life story, flipping back to a youthful, juvenile stage whenever it wants. While it’s not completely invincible (predators and other threats are still very real), if left undisturbed, it can keep hitting the reset button on aging indefinitely, making it one of the most fascinating "time-benders" in nature.

Record age: 507 years

In 2006, a special clam was discovered buried deep in the seabeds of the North Atlantic. Scientists were able to determine that it had been there since at least 1499—that’s centuries before the United States was even a thought! This ancient marvel, nicknamed "Ming", was able to perfect a slow-and-steady approach to life. Growing at a snail’s pace and barely budging, Ming’s sedentary lifestyle turned out to be a brilliant strategy for beating the clock. Who knew doing almost nothing could be the ultimate secret to longevity?

Record age: estimated 392 years

These sharks aren’t your average ocean cruisers—they can stretch over 20 feet long and weigh up to 2,200 pounds. But what’s really mindblowing is how slowly they move, like they’re in a permanent state of deep relaxation. Living in the icy Arctic waters, these giants don’t hit adulthood until they’re about 150 years old, and some can glide through the depths for nearly 400 years. Imagine that! These ancient swimmers were already around before America declared independence... and they are still out there, silently roaming the seas!

Record age: over 211 years

This whale is a true ocean giant, stretching up to 60 feet long and weighing a staggering 200,000 pounds. But what makes it stand out isn’t just its size but its age. Some of these majestic creatures carry harpoons from the 1800s still lodged in their skin, like walking history books. Just picture living so long that you’re literally carrying outdated technology embedded in your body—talk about being a time traveler of the seas!

Record age: 200 years

Spanning the chilly Pacific coastline from California all the way up to Alaska, this spiky little ball—about 7 inches across—is full of surprises. It munches on algae and calls the deep, dark ocean its home, thriving at depths of up to 300 feet. Don’t let its size fool you: this prickly creature is a true elder of the cold seas, quietly outliving many ocean neighbors while keeping a low profile. A tough, slow-living veteran wrapped in spikes!

Record age: 226 years

Meet Hanako, a legendary Japanese koi who swam through life for an astonishing 226 years. Scientists discovered how old she was by studying the rings on her scales, much like counting the growth rings of a tree. These colorful, ornamental fish aren’t just symbols of good fortune; they’re also secret long-lifers with the potential to celebrate over two centuries of birthdays, as long as they get the right care and a peaceful pond to call home.

Record age: 190 years

Jonathan is a male tortoise living on the remote island of Saint Helena in the South Atlantic Ocean. He was born back in 1832, and he’s still happily chomping lettuce and soaking up the sun today. Weighing in at more than 400 pounds and measuring around 3 feet long, Jonathan holds the title of the oldest known living land animal on the planet. If he could share tales, they’d span nearly two centuries of history. Imagine that!

Record age: 152 years

This ancient-looking fish, with its whisker-like barbels, looking like a tiny underwater submarine, prowls the lakes of North America. It can reach an impressive length of up to 7 feet and weigh around 200 pounds. These slow-living creatures don’t rush into adulthood—they start breeding only around age 20—and then take their time cruising through life at a leisurely pace. Believe it or not, one legendary catch in Wisconsin was estimated to be over 150 years old!

Record age: over 90 years

This chunky, night-loving parrot from New Zealand is a true oddball—it can’t fly, snores like a grumpy grandpa, and smells like fresh flowers. Despite its quirks, this bird boasts an impressively long lifespan. Sadly, it teeters on the edge of extinction. The oldest known kakapo, affectionately named Richard Henry, lived 90 years, earning him the title of the charmingly eccentric elder statesman of the avian world.

Record age: 37 years

This tiny, kooky rodent—barely 3 inches long and just over an ounce in weight—could’ve been cast straight from a sci-fi apocalypse flick. Dwelling in vast underground colonies across Africa, it’s practically invincible to cancer, pain, and the usual effects of aging. Scientists are fascinated by this little marvel, even if it’s not winning beauty contests anytime soon. Its superpowers make it a star in longevity research!

Record age: estimated 100+ years

Lobsters have a totally different rulebook than us when it comes to aging. They don’t really grow old; they just keep getting bigger and bigger. Some giant lobsters weigh over 40 pounds and stretch beyond 3 feet long. Their biggest threats? Not old age, but predators or the risky process of shedding their shells. In theory, they could live forever if left alone—but let’s be honest, not many get to enjoy a peaceful, lobster-sized retirement!