Can I run phone line in the same stud holes that the eletricial was run in

Recommended parallel spacing is 6". Besides, you don't want hum in your phone. OK to cross perpendicular.

Can I run phone line in the same stud holes that the eletricial was run in

Did you drill the holes or did the Electrician ? A lot of Electricians are not keen on drilling

Holes for other people, plus, as KISS said being that close can induce a hum in the phone.

I usually try to keep my LV wire 6-12 inches away, yet at times I may have to run the LV with HV--yet it's normally one hole.

Note: Today's low voltage wire has improved.