Keeping my phone numbers seperate

[Android Central Question]

I have 2 Samsung phones one with UK sim one with Spanish sim I want to keep my phone numbers separate but for some reason they show up on both phones

 

[B. Diddy]

Welcome to Android Central! Where are you saving the contacts to? If they're saved to your Google account, then they sync to any device that's logged into your Google account. Go to contacts.google.com on your computer browser and see if the contacts a there.