How to contact someone who blocked you (and whether you should)

• A block is information, not an obstacle - It usually means "I need space," not "find another way in." Start by taking it seriously.
• One letter is outreach; repeats are pressure - A single calm letter after real silence is generally reasonable. A series of letters is not, and repeated unwanted contact can cross into harassment.
• Some situations mean do not send at all - A restraining or protective order, or a clear "do not contact me," ends the question. A letter can violate an order just like a text can.
• Mail preserves their choice - No notification, no read receipt, no live argument. They open it when they are ready, or never. That choice is the point.
• Use plain First Class mail - Certified Mail makes someone sign for your letter, which reads as confrontation. Save it for legal and business matters.

You cannot force a call or text through a block, and trying workarounds (new numbers, other apps, friends' phones) usually makes things worse. If real time has passed, there is no court order, and they never told you to stop contacting them entirely, one short letter by regular USPS mail — with your real name and return address — is the accepted way to say something that matters. Say why you are writing, keep it to one page, make responding optional, and treat silence afterward as your answer.

Blocking is a boundary drawn in the middle of a conversation you did not get to finish. That is painful, and it is also information:

• Blocked in the heat of a fight - Often means "not right now." Time, not volume, is what helps. Wait weeks, not hours.
• Blocked after a pattern of conflict - Means the pattern is the problem. A letter only helps if it breaks the pattern instead of continuing it on paper.
• Blocked with a stated reason - They already told you what they need. The only letter worth sending is one that shows you heard it.

If your honest goal is to win the argument, get the last word, or make them answer you, a letter will read exactly that way. Wait until you can write with nothing to win.

Skip the letter — full stop — if any of these apply:

• There is a restraining order, protective order, or no-contact condition. Mail counts as contact. One envelope can be a violation with criminal consequences.
• They explicitly said "do not contact me" in any form. A letter after that message is not romantic persistence or family loyalty; it is overriding a stated boundary.
• The relationship ended with them afraid of you - If there was any element of fear, intimidation, or a serious power imbalance, more contact is harm, whatever the medium.
• You have already sent one letter. Silence is a response. It is one they are allowed to give.
• The block is fresh. Days-old wounds need space, not stationery.

If you are on the receiving end of unwanted mail yourself, see How to send a cease and desist / no-contact letter.

There are real situations where a single respectful letter is the mature option rather than a workaround:

• Estranged family - Years of distance, a rupture you want to own, an aging parent or sibling you do not want to lose entirely. See reconnecting with an estranged family member.
• An apology you owe - Not to be forgiven, but because they deserve to have it. See the apology letter for someone who blocked you.
• Closure — mostly for you - Saying the true thing once, cleanly, with no response requested. See the closure letter after being blocked.
• Co-parenting logistics - When the other parent blocks your number but school pickups and custody schedules still have to function. This one has legal weight; see the co-parenting letter when you're blocked.
• Getting your belongings back - A practical property matter, not a relationship plea. See the get-your-belongings-back letter.

• It does not route through their phone - No number to block, no notification to dread. It arrives quietly with the rest of the mail.
• It is honest about who it is from - Your name and return address are on the envelope. Nothing anonymous, nothing sneaky — they can decline to open it, and you have to be okay with that.
• It cannot escalate in real time - A letter cannot interrupt, raise its voice, or demand a reply within minutes. It waits.
• Effort reads as sincerity - Anyone can fire off a text. A letter took thought, and the reader can feel that before the first line.
• It gives both of you a record of your best self - You get to say it right, once, instead of in fourteen fragmented messages.

• Name the situation honestly. Something like: "I know you've blocked my number, and I understand why. I'm not trying to get around that — I had one thing I wanted to say properly, and then I'll leave it with you."
• One page, one purpose. An apology, a door left open, or a practical matter. Not all three, and never a relitigation of the whole history.
• No demands, no deadline, no guilt. "You don't need to respond" — and mean it.
• Offer one small, optional step. A phone number, an email, "a reply letter if you ever want." Then stop.
• End with the exit. "If you'd rather not hear from me again, I'll respect that — this is the only letter I'll send."

Hi [Name],

I know you've blocked my number, and I'm not writing to argue with that
decision. I had one thing I wanted to say properly, and a letter felt
like the most respectful way to do it.

[Two or three sentences: the apology, the acknowledgment, or the thing
you needed them to know. Specific, calm, no counterarguments.]

You don't owe me a response. If you ever want to talk, I'm at
[phone/email]. If not, I understand, and this is the only letter
I'll send.

Wishing you well,
[Your Name]

If you want a fuller starting point, pick the version above that matches your goal — mixing goals is the most common way these letters go wrong.

Decide before you mail it: this is the only one. If they respond, everything changes and you can follow their lead. If they do not, the letter still did its job — the true thing was said, and the door was left open without anyone being pushed through it. Sending a second unanswered letter converts "thoughtful" into "pressure," and a third into something they may reasonably report. One letter. Then live your life.