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Community Member
February 2, 2026
Question

How to default at +1 for US phone number for a 30 minute event

  • February 2, 2026
  • 20 replies
  • 356 views

Hi, I’m running into an issue with my calendly event, when a prospect starts entering a phone number as the location of the 30 minute event, they see a US flag but as soon as they start typing in the phone number (without the +1), the US flag goes away and prospect gets error on phone number stating missing country code.  Has anyone run into this before and if so, were you able to solve it and how? 

Let me know.  Thanks!

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20 replies

New Community Member
February 5, 2026

@Sonia83470 - this depends on how customers are currently using your links to schedule. Are they primarily embedded on your site or do you send the links directly to customers? If it’s mainly on your site then this can probably be achieved programmatically.

https://www.youtube.com/@calforce | https://calforce.pro | support@calforce.pro
New Community Member
February 5, 2026

@Ed13213 - great callout! The location input works differently for some reason, so the “+” will not appear like in the custom questions.
 

@Sonia83470 - I’ve highlighted the code you need to change for the inline widget below; when you copy your code you’ll just need to add the “a3=+1” (or whichever answer corresponds to the input)

<!-- Calendly inline widget begin -->
<div class="calendly-inline-widget" data-url="https://calendly.com/acmesales?a3=+1" style="min-width:320px;height:700px;"></div>
<script type="text/javascript" src="https://assets.calendly.com/assets/external/widget.js" async></script>
<!-- Calendly inline widget end →

Do you have multiple embeds on your site? If so, there might be a way to programmatically add the “+1” to avoid needing to manually update everything. Feel free to email me directly if you’d prefer not to share your site publicly.

Omg can you please help me do this universally so it’s not needed for every single event? 

How do I email you directly? Also when I added the +1 to the link it did work but when I did it to the inline embed it did -1. So then I took the plus out and did =1 and it still has a -1

New Community Member
February 5, 2026

You can use the email address in my signature - support @ calforce.pro

https://www.youtube.com/@calforce | https://calforce.pro | support@calforce.pro
Ed13213Author
Community Member
February 5, 2026

You can use the email address in my signature - [removed by moderator]

Youtube link provided:

This page isn't available. Sorry about that.

Try searching for something else.

Ed13213Author
Community Member
February 5, 2026

You can use the email address in my signature - [removed by moderator]

Youtube link provided:

This page isn't available. Sorry about that.

Try searching for something else.

I got the YouTube video to work, Thanks!

Ed13213Author
Community Member
February 7, 2026

The videos do not show me how I can use a custom field for phone number.  Can you help me with this so that I’m able to default a +1 for US number and not keep getting an error for this field?  

New Community Member
February 7, 2026

@Ed13213 - in the “Invitee Form” section of your event type settings you can add a question called “Phone Number” that has an answer type of “One Line”. This answer type will bypass the phone number validation so the invitee doesn’t need to enter the “+1”.


 

 

https://www.youtube.com/@calforce | https://calforce.pro | support@calforce.pro
Ed13213Author
Community Member
February 10, 2026

Thank you ​@Calforce50652, I appreciate your help.  I went with your recommendation of using a custom question for my phone number and instructing users to provide a +1 as a prefix for US phone numbers.  Hopefully, Calendly provides a long term fix to address international phone numbers.  Thank you!

David
Community Manager
Community Manager
February 11, 2026

Hi all! We’re looking at pushing out a fix today, so keep an eye out and let me know if you see any changes!
 

 

New Community Member
February 12, 2026

@David thank you! I came here looking for the same thing and am happy to see a fix is coming.  We will be on the lookout too.