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Crisis Support in Nassau County, NY

Free, Confidential, and Available Any Hour Across Long Island

Reviewed by Dr. Courtney Scott, MD

Crisis support in Nassau County, NY is available right now through a free, confidential helpline at +1-866-629-4564, answered 24 hours a day. A trained listener can talk with you about depression, anxiety, panic, or thoughts of suicide, and connect you with Long Island crisis services near you. If you are in immediate danger, call 911 or 988.

24/7 · Free · Confidential · No Insurance Required

When a Nassau County Resident Should Call

Call the moment things feel like too much, before they reach a breaking point. People on Long Island call during panic attacks, after the loss of someone close, when depression makes an ordinary day feel impossible, and when they are frightened for a family member who will not talk to anyone else. A listener is on the line at +1-866-629-4564 at every hour, including late nights, weekends, and holidays, which is often when a quiet crisis gets loud.

Some moments need a specific emergency line instead. Call 911 if you or someone with you is in immediate physical danger. Call or text 988 to reach the Suicide and Crisis Lifeline, staffed around the clock across New York State. Knowing which line to dial before a hard night arrives can make the difference between a long wait and fast help.

What a Nassau County Crisis Call Leads To

A call connects you to a trained listener and, when needed, to the right in-person help nearby. The conversation lasts as long as you need it to, with no script and no rush, and what you say stays confidential.

You can describe what is happening in your own words, hear a calm voice on the other end, and settle on a next step together. That step might be a plan to get through the night, a hand-off to a Nassau County service, or simply steady company for the next hour. If the situation calls for an in-person response, the listener points you toward the Nassau County Mobile Crisis Team, a group of licensed social workers and nurses who come to where you are instead of asking you to travel during a crisis. When you call that county team at (516) 227-8255, a social worker gathers a few details and a team member calls back for a short intake by phone. The team responds the same day, seven days a week, from 10:00 a.m. to 11:00 p.m., and overnight a phone counselor takes the call and the team follows up the next morning.

Nassau County Crisis Numbers, Sorted by What You Are Facing

Different situations call for different lines, so the resources below are grouped by need. Save the ones that fit your life, and call +1-866-629-4564 if you are unsure which one to start with.

When Someone Needs a Team to Come to Them

  • Nassau County Mobile Crisis Team, (516) 227-8255 (227-TALK). Licensed social workers and nurses travel to homes, schools, and workplaces across the county for on-site help. Same-day response seven days a week, 10:00 a.m. to 11:00 p.m., with overnight phone counselors. Based in Uniondale.
  • CN Guidance Community Crisis Center, (516) 390-6544. A walk-in and phone crisis center in Hicksville, open around the clock.

When the Crisis Is Suicidal Thoughts or Deep Distress

  • 988 Suicide and Crisis Lifeline, call or text 988. Confidential and staffed 24/7 across New York.
  • Long Island Crisis Center, (516) 679-1111. A 24-hour crisis hotline in Bellmore serving Nassau and the wider Island.
  • Crisis Text Line, text GOT5 to 741741. Anonymous, around-the-clock support by text through New York State.

When Walk-In Psychiatric Care Is Needed

  • Zucker Hillside Hospital Adult Behavioral Health Crisis Center, (718) 470-8300. A walk-in crisis clinic in Glen Oaks at the county line. Walk-in hours run Monday through Friday; after hours, use the emergency room, 988, or 911.

When the Situation Fits a Specific Community

  • The Trevor Project, 1-866-488-7386. Around-the-clock support for LGBTQ+ young people.
  • Veterans Crisis Line, dial 988 then press 1, or text 838255. Around-the-clock help for veterans and their families.
  • New York State Domestic and Sexual Violence Hotline, 1-800-942-6906 (call), or text 844-997-2121. Confidential, around-the-clock help statewide, with Nassau County services and shelter referrals. The Safe Center LI’s former hotline at (516) 542-0404 now routes to this statewide line.

When Danger Is Immediate

  • 911. For any life-threatening emergency. Tell the operator it is a psychiatric emergency and ask for a crisis-trained officer.

A listener at +1-866-629-4564 can help you weigh which of these fits and stay on the line until you are connected to it.

How to Choose the Right Nassau County Crisis Resource

With several crisis options across the county, the hardest part is often knowing which one fits the moment. A few simple distinctions make it clearer.

  • If someone needs a person to come to them, the Nassau County Mobile Crisis Team travels to the home or school; a walk-in center like CN Guidance in Hicksville is the choice when leaving the house is possible.
  • If the crisis is suicidal thinking or deep distress, 988 or the Long Island Crisis Center in Bellmore answer around the clock by phone, and Crisis Text Line works when talking out loud is too hard.
  • If the situation fits a specific community, the Trevor Project, the Veterans Crisis Line, and the New York State Domestic and Sexual Violence Hotline each answer a particular kind of call.
  • If you are not sure which applies, a listener at +1-866-629-4564 will talk it through with you and point you to the closest fit, at any hour.

Being unsure whether what you feel even counts as a crisis is reason enough to pick up the phone. You do not need a diagnosis or the perfect words, and no one on the Island is expected to sort this out alone.

Long Island Communities This Helpline Serves

The helpline supports residents across every corner of Nassau County. That stretches from Hempstead, Freeport, and Long Beach along the South Shore, up to Glen Cove and Oyster Bay on the North Shore, and through Uniondale, Levittown, Valley Stream, and Hicksville in the middle of the county. Wherever you sit on the map, a call to +1-866-629-4564 puts a trained listener on the line who can point you to the Nassau County resources closest to your door.

Questions Nassau County Callers Ask Most

What kinds of situations can I call the Nassau County helpline about?

Any mental health crisis or emotional emergency. People call about depression, anxiety, panic attacks, grief, thoughts of suicide, and worry about a family member. If you are unsure whether your situation qualifies, that uncertainty is itself a good reason to call +1-866-629-4564 and talk it through.

Which number do I call for a mental health crisis in Nassau County?

For emotional support at any hour, call +1-866-629-4564. For the county’s Mobile Crisis Team, call (516) 227-8255. For a suicidal crisis, call or text 988. For an immediate, life-threatening emergency, call 911.

Is someone really available on the helpline at 3 a.m.?

Yes. The helpline answers 24 hours a day, seven days a week, including weekends and holidays. The 988 Suicide and Crisis Lifeline is also staffed overnight across New York, so a person is always reachable in the middle of the night.

Does Nassau County have a mobile crisis team that comes to you?

Yes. The Nassau County Mobile Crisis Team is a group of licensed social workers and nurses who travel to homes, schools, and other locations to provide on-site help as an alternative to police or the emergency room. Reach them at (516) 227-8255; they respond the same day from 10:00 a.m. to 11:00 p.m., with overnight phone counselors.

Should I call the Mobile Crisis Team or 911?

Call 911 for any immediate, life-threatening emergency, and tell the operator it is a psychiatric emergency. Call the Nassau County Mobile Crisis Team at (516) 227-8255 when someone is in a mental health crisis but not in physical danger and you want trained clinicians, rather than police, to respond.

Can I call on behalf of someone else in Nassau County?

Yes. Many callers are parents, partners, or friends worried about a person who will not call for themselves. A listener can talk through what you are seeing and help you find the right way to support them and get them connected to care.

What should I do if I am having thoughts of suicide tonight?

Call or text 988 to reach the Suicide and Crisis Lifeline, or call +1-866-629-4564 to talk with someone this minute. If you are in immediate danger, call 911. You do not have to carry this alone, and help is available right now.

Talk to Someone in Nassau County Tonight

You do not have to get through this alone. A trained listener is ready now, the call is free and confidential, and it takes one tap to start.

Call +1-866-629-4564

In immediate danger? Call 911, or call or text 988.

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Medically Reviewed By:

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Dr Courtney Scott, MD

Dr. Scott is a distinguished physician recognized for his contributions to psychology, internal medicine, and addiction treatment. He has received numerous accolades, including the AFAM/LMKU Kenneth Award for Scholarly Achievements in Psychology and multiple honors from the Keck School of Medicine at USC. His research has earned recognition from institutions such as the African American A-HeFT, Children’s Hospital of Los Angeles, and studies focused on pediatric leukemia outcomes. Board-eligible in Emergency Medicine, Internal Medicine, and Addiction Medicine, Dr. Scott has over a decade of experience in behavioral health. He leads medical teams with a focus on excellence in care and has authored several publications on addiction and mental health. Deeply committed to his patients’ long-term recovery, Dr. Scott continues to advance the field through research, education, and advocacy.

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