How to recover the phone numbers of my contacts?

[Android Central Question]

Hi, I turned on my Galaxy 5 at yesterday morning and I found all my contacts without their phone numbers. Is there any way to recover them? I do have all my contacts but without the phone numbers.
Thanks

 

[B. Diddy]

Welcome to Android Central! Is this the Note5 or S5? Are the contacts synced from your Google account, or were they entered into the local Phone account only (or the Samsung account)?