# Enable outbound calls to Colombia (+57)

**URL:** <https://community.retellai.com/t/enable-outbound-calls-to-colombia-57/3608>\
**Category:** Support Help\
**Tags:** telephony\
**Created:** [September 5, 2026, 7:26pm UTC](https://community.retellai.com/t/enable-outbound-calls-to-colombia-57/3608 "2026-09-05T19:26:54Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![juandavidsanchezmeza](https://yyz2.discourse-cdn.com/flex008/user_avatar/community.retellai.com/juandavidsanchezmeza/32/2679_2.png) [@juandavidsanchezmeza](https://community.retellai.com/u/juandavidsanchezmeza)\
**Post date:** [September 5, 2026, 7:26pm UTC](https://community.retellai.com/t/enable-outbound-calls-to-colombia-57/3608/1 "2026-09-05T19:26:54Z")

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Hi,

Please enable outbound calls to Colombia (+57) for my account.

I’m building an internal reminder assistant for my company’s team.  
It calls our own staff when they miss an important notification —  
appointment reminders and lead follow-ups. Not cold calling, not  
sales outreach.

I’m using a Retell-managed US number. Calls to US numbers work  
fine and I need to keep that as is. The issue is that I’m based  
in Colombia, so I can’t test the flow on my own phone. Calls to  
my Colombian number are rejected with:

“Call country not supported: CO”

Could you add CO as an allowed outbound destination, keeping US  
enabled? I can share my account details privately if needed.

Thanks

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<div class="post-metadata">

**Author:** ![Shah-Fazal](https://yyz2.discourse-cdn.com/flex008/user_avatar/community.retellai.com/shah-fazal/32/2522_2.png) [@Shah-Fazal](https://community.retellai.com/u/Shah-Fazal)\
**Post date:** [September 5, 2026, 7:35pm UTC](https://community.retellai.com/t/enable-outbound-calls-to-colombia-57/3608/2 "2026-09-05T19:35:13Z")

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Hello @juandavidsanchezmeza you’d need to set up Custom Telephony with your own SIP trunk.

More details here:

- [International calling rates for Retell numbers](https://docs.retellai.com/deploy/international-call)

- [Connect Retell voice agents to your telephony provider](https://docs.retellai.com/deploy/custom-telephony)

Thank You
