Looking on the internet deeply has found these results:

We contacted to is the most popular phrase on the web.

We have contacted to 126,500 results on the web	We contacted to 131,600 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
We have contacted your new distributor. Agents Walker, Bartowski, using back channels, we have contacted Pierre Melville. We have contacted every transportation agency in an effort to slow her down. But he couldn't have contacted the consulate. Inad and I have contacted our home planet. I have contacted Plague about Teleborian. No companies have contacted the Commission on that issue. We have contacted the Vidiian convoy with encouraging results.	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

We have contacted to

126,500 results on the web

We contacted to

131,600 results on the web

More popular!

We have contacted your new distributor.
Agents Walker, Bartowski, using back channels, we have contacted Pierre Melville.
We have contacted every transportation agency in an effort to slow her down.
But he couldn't have contacted the consulate.
Inad and I have contacted our home planet.
I have contacted Plague about Teleborian.
No companies have contacted the Commission on that issue.
We have contacted the Vidiian convoy with encouraging results.

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.