WhatsApp number format for Colombia

Country code +57. How to turn a Colombian phone number into a working WhatsApp link.

At a glance

A Colombian mobile written locally as 321 1234567 becomes 573211234567 in a WhatsApp link, giving https://wa.me/573211234567. Colombian numbers have no domestic trunk prefix, so nothing is removed.

The three ways to write the same number

These are the same Colombian mobile in each format. The example is a reserved test number from Google’s libphonenumber metadata, so it is structurally correct without belonging to anyone.

Inside Colombia321 1234567
International+57 321 1234567
In a wa.me link573211234567

The rule for Colombia

Colombian mobile numbers are ten digits with no trunk prefix to remove. Mobiles start with 3.

  1. Start with the local number. 321 1234567
  2. Apply the Colombian rule. There is no prefix to remove, so the digits stay as they are.
  3. Add the country code. Put 57 in front, giving 573211234567.
  4. Build the link. Append the digits to https://wa.me/ with nothing between them, or use the generator and let it handle the formatting.

Does a valid number mean the person is on WhatsApp?

No. Everything above concerns format, which is a separate question from whether an account exists. A correctly formatted Colombian number can belong to a landline, to a newly issued SIM, or to someone who has deleted their WhatsApp account, and in each case the link will open and report that the number is not on WhatsApp.

To find out, open a chat link for the number and see whether WhatsApp starts a conversation.

How do I write a Colombian number for WhatsApp?

Write 57 followed by the subscriber number, digits only, with no plus sign, spaces or dashes. A Colombian mobile written locally as 321 1234567 becomes 573211234567, giving the link https://wa.me/573211234567.

What is the WhatsApp country code for Colombia?

Colombia uses country code +57. In a wa.me link the plus sign is dropped, so the link starts https://wa.me/57.

Do I remove the leading zero from a Colombian number?

There is nothing to remove. Colombian numbers have no domestic trunk prefix, so the digits you use locally are the same digits that follow the country code. 321 1234567 becomes 573211234567.

Can I message a Colombian number without saving it?

Yes. Open https://wa.me/ followed by the number in international format and WhatsApp starts the conversation without adding a contact. Recent versions of WhatsApp can also do this by typing the number into the new-chat search.

Why does my Colombian WhatsApp link say the number is invalid?

Either the number is formatted wrongly or it has no WhatsApp account, since WhatsApp shows the same message for both. Check the digits against 573211234567 first: the most common causes are a missing country code or a stray plus sign.