16990 option 2.

Hello @MITCHELL KRIGMAN,

Thank you for reaching out to us. We’ll assist in this matter.

Please send us a private message to the @Fórum profile with your NOS Costumer Number.

Thank you 

why isn’t it easy to email or call NOS billing customer service??? and they closed the store in Cascais so I can’t go in there. 

Hello @MITCHELL KRIGMAN,

Thank you for reaching out to us. We’re always available to help in any matter, here at Fórum NOS.

Please tell us what’s the question you have regarding your invoice. 

You can also check all the costumer service contacts here.

Thank you