What is the Barcelona (Spain) Area Code for Whatsapp?
The Barcelona Area Code for WhatsApp is +34.
It should be noted that any message or call received from a Barcelona WhatsApp number will always start with +34, as there is no specific code by localities, but any phone number from any region of Spain uses the Area Code +34.
Does calling or sending Whatsapp messages to a phone in Barcelona have any additional cost?
No, any message sent through the WhatsApp application to Barcelona or any region of the world will have the same cost regardless of the phone number contacted.
So, if you send a message to any part of Spain or the world the cost will be the same as if you send it to a phone located in another city or country.