WhatsApp Broadcast List Limit: Why Only 256 People (and Why Some Never Get It)

Your broadcast went out to all 256 people on the list. A day later, a member asks why nobody told them about Sunday's schedule change. You check: they are on the list. The message shows as sent. So what happened?

This is one of the most common frustrations for churches, schools and clubs that run their announcements through the WhatsApp Business app. The good news is that it is not your fault, and it is not random. Broadcast lists follow two rules, and once you know them, you can decide whether to work around them or move past them.

Rule 1: a broadcast list holds at most 256 people

Each broadcast list in WhatsApp, in both the regular app and the Business app, can hold up to 256 contacts. If your congregation, parent list or club has 600 people, you need at least three lists, and you send the same message three times.

That is manageable at first. It gets harder when people join and leave, when someone ends up on two lists and gets the message twice, and when a volunteer covering for you has no idea which list is which.

Rule 2: people only receive it if they saved your number

This is the rule that catches most organizations out. A broadcast is delivered only to people who have saved your number in their phone's contacts. If someone has not saved it, the message is simply not delivered to them. WhatsApp does not show an error, and the message still looks sent on your side.

WhatsApp designed it this way to protect people from unwanted messages. A broadcast should only reach people who know you. But in practice, plenty of people who very much want your messages never get around to saving the number. Parents who registered at the front desk, new members who filled in a card, guests who signed up once at an event: many of them never added you as a contact.

So a list of 256 names might reach far fewer people, and you have no way of knowing who was missed.

How to check who is missing

There is no report in the app that tells you who did not receive a broadcast, but you can get a rough picture:

• Open the message info. Press and hold a broadcast you sent and look at the delivery details. People who received it are listed. Anyone on the list who is not there probably has not saved your number.
• Ask at your next gathering. A quick show of hands, "Who got Tuesday's message about the picnic?", tells you a lot.
• Ask people to save the number. Put "Save this number as [Your Organization] so you get our updates" in your bulletin, newsletter or sign-up form. It helps, though you will never get everyone.

Workarounds inside the free app

If your list is small and you want to stay on the free app, these habits help:

• Keep lists tidy. Name each list clearly ("Parents A–L", "Parents M–Z") and remove numbers that have left.
• Use a group for urgent news. A group delivers to everyone who joined, whether or not they saved your number. The trade-off is privacy: every member sees every other member's phone number, and every reply goes to everyone.
• Send a "save our number" message first. When someone new joins, send them a personal message asking them to save the number. Once they reply, you know the chat works.

For a small group under 256 people who all know you, the free app can work well for a long time. There is no need to pay for anything until it stops working.

When it is time to move past broadcast lists

You have probably outgrown broadcast lists when:

• your list is past 256 and growing, and you are juggling several lists;
• people regularly say they did not get your message;
• you want reminders to go out on a schedule, not only when you remember;
• you are also collecting RSVPs, sign-ins or payments by hand.

The next step is the WhatsApp Business Platform (often called the WhatsApp API). It is Meta's official way for organizations to message people at scale. Messages sent this way do not depend on people saving your number, and each person gets their own private message, so members never see each other's numbers.

There are a few differences to know about. Messages you start (rather than replies to someone who messaged you) use templates that Meta approves, and Meta charges for some of them at its published rates. Meta also limits how many new people a number can start conversations with in 24 hours, starting at 250 and rising as your number builds a good sending record. And people still choose to hear from you: they join through a sign-up link or QR code, and anyone who replies STOP should never be messaged again.

Where MsgOrb fits

MsgOrb is built on the WhatsApp Business Platform for churches, schools, nonprofits and clubs. You connect your number through Meta's official sign-up, import your members, and send announcements to your whole list, up to your plan's size. The Free plan holds up to 60 members, and paid plans go from 200 to 25,000 and more. MsgOrb does not sell message credits; Meta bills messages to your own WhatsApp Business Account.

Beyond announcements, the same number handles RSVPs with entry passes, kids check-in, event tickets, program fees and membership dues, all on WhatsApp.

If you are weighing the options, we put together an honest side-by-side of WhatsApp Business app broadcast lists, WhatsApp groups and MsgOrb, including when the free app is all you need.

The short version

• A broadcast list holds up to 256 people.
• Only people who saved your number receive it, and you are not told who was missed.
• Groups reach everyone who joined, but share everyone's numbers and replies.
• When you outgrow both, the WhatsApp Business Platform delivers private messages to your whole list, whether or not people saved your number.