911 in the USA: When to Call, What to Say, and Other Key Emergency Numbers

When do you actually call 911?

911 is reserved exclusively for situations that immediately threaten life or property, and connects you directly to police, fire, or ambulance based on the emergency type. Call it for:

• A fire: in your home, a neighboring one, or any public place.
• A crime happening right now: a robbery, an assault, or any direct threat to your safety or someone else's.
• A car accident with injuries: or one seriously blocking traffic.
• A life-threatening medical emergency: severe chest pain, sudden difficulty breathing, uncontrolled bleeding, loss of consciousness, or stroke symptoms (drooping on one side of the face, sudden arm weakness, slurred speech).
• Imminent danger to someone else: a suicide threat with an immediate plan, or a missing child.

The simple practical rule: if a delay of just a few minutes could put a life or property at serious risk, call 911 right away — don't hesitate.

What exactly do you say when you call?

1. State the type of emergency first: "police," "fire," or "ambulance," clearly, as soon as someone answers.
2. Give your exact location: the full address, or the nearest street intersection if you're outside, or the floor and apartment number if you're inside a large building.
3. Briefly describe what's happening: how many people are injured, whether the danger is still active, and a short description of the situation.
4. Don't hang up before the operator tells you to: they may need more information or may give you immediate first-aid instructions.
5. If you called by mistake, don't just hang up: stay on the line and tell the operator it was a wrong call; hanging up abruptly can send a response team to your location as a precaution.

Don't speak English well? That doesn't stop you from calling

One of the most important things every new arrival should know: US 911 centers are equipped with live interpretation in dozens of languages, including Arabic. As soon as the operator answers, simply say the name of your language in English, like "Arabic," and within seconds you'll be connected to an interpreter through a three-way call, translating directly between you and the operator. Don't wait, and don't try to explain the situation in weak English that might confuse the operator — just state your language first and the system handles the rest.

911 vs. 311: don't mix them up

311 is available in many major cities (New York, Chicago, Boston, and others) but it isn't a unified federal service available everywhere; check your city's website to see whether it offers 311 and its exact number. Using 911 for a non-emergency complaint ties up a line someone else might need in a real emergency, so avoid it.

Poison Control: 1-800-222-1222

If a family member (especially a child) accidentally swallows something poisonous, or inhales a dangerous chemical, call 1-800-222-1222 immediately. This is a unified national line that connects you to your regional poison center, run by the America's Poison Centers network and supported by the federal Health Resources and Services Administration (HRSA). The service is free and confidential, available 24/7 from anywhere in the US and many of its territories, and offers interpretation in over 160 languages, including Arabic. Don't wait for symptoms to appear — call as soon as you suspect something, since the specialized nurse or pharmacist on the line can tell you immediately whether you need emergency care or can handle it at home.

Mental health crises: the 988 line

Per the 988 Suicide and Crisis Lifeline, you can call or text 988 anytime for urgent emotional support, whether you're having suicidal thoughts, going through an acute mental health crisis, or simply need to talk to a trained counselor. The service is entirely free, available 24 hours a day every day, offers Spanish-language support through text and chat, and interpretation into other languages when needed. Calls are fully confidential, and you don't need health insurance or a specific immigration status to call.

Fire and carbon monoxide safety at home

Per the US Fire Administration (USFA), carbon monoxide causes over 150 accidental deaths a year in the US, and it's a colorless, odorless gas that's very hard to detect without an alarm. Practical tips:

• Install a carbon monoxide alarm on every level and near each sleeping area: per USFA and the Consumer Product Safety Commission (CPSC).
• Test the alarm regularly: press the test button monthly and confirm the battery works.
• Never run a portable generator inside the home or garage: use it outdoors only, away from doors, windows, and vents.
• Never use a gas oven or stovetop to heat your home: a real and common poisoning risk in cold weather.
• Keep vents (furnace, water heater, dryer) clear of snow or obstruction: especially after a snowstorm.

Severe weather alerts on your phone

Per the Federal Emergency Management Agency (FEMA), your phone automatically receives Wireless Emergency Alerts (WEA) with no app to download or service to subscribe to, for any serious imminent threat like a hurricane, flash flood, or tornado in your area. These alerts arrive with a distinctive tone and vibration pattern that's hard to miss. Don't turn this feature off in your phone's settings even if it's occasionally annoying — it's specifically designed for only the most severe situations.

Common mistakes

• Hesitating to call 911 because of weak English: the system is built exactly to handle this — don't let language stop you from asking for help.
• Using 911 for non-emergency matters: ties up a line that could save someone else's life at that exact moment.
• Not knowing your exact address in English: save it written down in your phone from your first week in the US.
• Skipping a carbon monoxide detector: a gas with no smell and no color, and no way to detect it with your senses alone.
• Being afraid to call Poison Control to avoid a legal problem: the service is fully confidential and doesn't ask about your immigration status.

What's next?

Save all four numbers from this guide in your phone today: 911, 988, 1-800-222-1222, and your city's 311 number if it has one. Make sure your address is clearly saved in English, and install a carbon monoxide detector if your apartment doesn't already have one. For more on handling non-emergency medical situations, see our urgent care vs. ER guide.

Frequently asked questions

Official sources we reviewed

• 988 Suicide & Crisis Lifeline ↗
• HRSA — Poison Help ↗
• CPSC — Carbon Monoxide Safety Tips ↗
• USFA/FEMA — Carbon Monoxide Poisoning Prevention ↗
• FEMA — Wireless Emergency Alerts ↗