Any particular numbers do I need to dail before makin international calls from puerto rico on a landline phone

Any particular numbers do I need to dail before makin international calls from puerto rico on a landline phone
none 'if u are dial to the states. 1-area code-number, for direct international calls-011+country code+citycode+telephone number
Any particular numbers do I need to dail before makin international calls from puerto rico on a landline phone
Same way as in the Mainland US.

Calls to the US are long distance, but not international.
Same way as in the Mainland US.

Calls to the US are long distance, but not international.
It's the same as in the U.S.
If it is in the US you just dial 1 + area code + phone number
The international calls will be with 011 at the beginning.