Welcome to the Community!
I was able to locate your account using your Community details and have seen that everything should be working fine now.
Should it still not work, kindly check the steps below to see if the call format is followed:
International call Issues
Correct Dialling format is needed to call overseas for landline and mobile numbers from other countries.
Note: The country codes for the above examples are 44 for the UK and 1 for the USA
You may check this link for the list of country codes: Country Codes
After checking the international number that you are dialling is correct, and if you’re still having an issues:
By the way, I have modified your post since it contains your Customer ID for the privacy of your account.
Let us know how it goes.